Dam Incident Database Search
The ASDSO Dam Incident Database provides basic information on dam safety incidents to ASDSO members, dam safety stakeholders, the media and the public. The database began as a cooperative effort between the Department of Homeland Security Dams Sector and ASDSO in 2010. The initial database contained a limited number of dam failure records from a previous ASDSO dam failure database effort. In 2010, ASDSO began to gather dam safety incident information (both failure and non-failure) from the state dam safety programs. The majority of the incident records have been collected from state programs following the year in which they occurred. Some states have been able to provide historic incident information and ASDSO will continue to obtain as much information, both current and historic, as possible. The database is not considered comprehensive of all dam safety incidents, both historic and current, and reflects only the data that ASDSO has been able to collect. Much of the identifying information on specific dams is obtained from the National Inventory of Dams. ASDSO does not provide assurance that all the information in the database is completely accurate. It is the best information available to us at the time, however it could be subject to error or misinterpretation. If you see an error or have additional information to provide for a specific incident, please contact Mark Ogden at [email protected]. If you would like to provide additional incident information to the database, please contact Mark. ASDSO has a spreadsheet (download at this link) that provides an explanation of each field and can be used as an entry form to submit incident information.
Using the Database: The following search table allows the user to view, search and select records of the ASDSO Dam Incident Database. The columns represent a few of the fields of the database that contain what can be considered the major incident fields. They can be sorted in ascending or descending order by clicking on the arrows next to the field name at the top. To see more information on an incident without leaving the search table click on the blue “+ sign” at the left of an incident row. You can then click on the red “- sign” to collapse the additional fields. To go to an individual incident page, click on the dam name. Users can filter search results by each field using the search criteria boxes at the top of the page. Multiple filters can be applied. Some fields have fixed possible entries and those are presented in the search box as a drop-down selection. Users can also download a CSV (Microsoft Excel) version of their search by clicking on the “Export Table to CSV” link. To download the entire database, click on “Reset All Filters” and then “Export Table to CSV.”
- If a field is empty, that indicates that there is no value for that field in that particular record.
- There are a few incident records with an incident date in the 1800s. When downloaded to CSV, those dates become "General" format instead of "Date" format which can impact sorting and searches in the Incident Date field in the CSV file.
- A few incident records have reports and photos, etc. associated with them. In the individual record page there is a field named "Attachments" and if it has a value of "Y" then there is some associated attachment. Contact Mark Ogden if you are interested in more information on that record.
- ASDSO does not become aware of many incidents until states report them in an annual performance data call. As a result, incidents from the current year and even some from the previous year will not yet be in the database. Incident information is not necessarily entered in chronological order. Data is entered as it is received and as time permits; some more recent incidents may be included before older incidents. The database was last updated on December 18, 2024.
Dam Name | State | Downstream Hazard Potential | Incident Type | Incident Date | Incident Driver | Incident Mechanism 1 | Incident Mechanism 2 | Incident Mechanism 3 | Incident ID | Incident Description | Named Hydrologic Event | EAP Enacted (Y/N) due to Incident | Fatalities (Number) | Number of People Evacuated | Number of Habitable Structures Evacuated | Number of Habitable Structures Flooded | Other Infrastructure Impacts | Economic Damages (in $) | Response | Volume released at failure (ac-ft) | Additional Remarks or Updates | Owner Type | Dam Type | Primary Purpose(s) | EAP | Dam Height | Max Storage (ac-ft) | Surface Area (acres) | Year Completed | NID Number | River Name | Latitude | Longitude | Year Modified | Regulatory Agency(ies) | Incident Time | Incident Duration | Incident Report Produced | Information Sources | Attachments |
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HIDDEN VALLEY LAKE DAM | IN | H | Non-failure | 01/22/2018 | Structural Stability | Sliding | IN00100-3073 | Downstream slide occurred approx. 52 x 29 x 1 foot deep | Yes | 0 | 0 | 0 | 0 | none | Level 3 Emergency declared and emergency officals briefed. Minutes of inspection produced and they are attached. Previous slides occurred in 2011 and 2012 | P | RE | R | Y | 135 ft | 7750 ac-ft | 139 acres | 1973 | IN00100 | DOUBLELICK RUN | 39.1525 | -84.8472 | 0 | IDNR | Yes | IN DNR | Y | ||||||||
PATTISON STATE PARK | WI | S | Failure | 06/17/2018 | Hydrologic/flooding | Debris Clogging | Erosion | Overtopping | WI00127-3334 | Left embankment overtopped & failed, significant debris & tree buildup in spillway due to high flows | 0 | L | PGRE | R | Y | 20 ft | 340 ac-ft | 27 acres | 1931 | WI00127 | BLACK | 46.5356 | -92.1208 | 0 | WIDNR | Unknown | WI DNR | |||||||||||||
COON CREEK 29 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00368-3335 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ | L | RE | CD | Y | 34 ft | 207 ac-ft | 5 acres | 1961 | WI00368 | COON CREEK | 43.7674 | -90.8976 | 0 | WIDNR | 1 day | Yes | WI DNR | |||||||
COON CREEK 23 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00371-3336 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ Activated EAP next morning after overnight failure | L | RE | CD | N | 39 ft | 95 ac-ft | 0 acres | 1961 | WI00371 | TR.RULLANDS COULEE CR | 43.743 | -90.8418 | 0 | WIDNR | 1 day | Yes | WI DNR | |||||||
COON CREEK 21 | WI | L | Failure | 08/29/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00373-3337 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | 0 | 0 | 0 | Bridges, Roads | Bridges, roads &culverts, farmstead outbuildings, sheds, private drives, cattle, fencing, equipment, RVs Abandoned house (rarely used when visiting property) knocked off foundation d/s of one of Coon Creek Dams. Report: http://www.co.monroe.wi.us/departments/land-conservation/ Activated EAP next morning after overnight failure | L | RE | CD | N | 46 ft | 271 ac-ft | 2 acres | 1963 | WI00373 | TR RULLAND COULEE CREEK | 43.7314 | -90.8419 | 0 | WIDNR | 1 day | Yes | WI DNR | |||||||
BELLEVILLE | WI | L | Non-failure | 08/20/2018 | Hydrologic/flooding | Erosion | Excessive/increased Seepage | WI00116-3338 | Boils on downstream side of auxiliary spillway due to scour | Yes | Unknown | 8 | Unknown | Bridges | Evacuated as a precaution, also due to general flooding. Water in some basements. | L | PGRE | R | Y | 15 ft | 260 ac-ft | 112 acres | 1860 | WI00116 | SUGAR | 42.8605 | -89.5358 | 1918 | WIDNR | Unknown | WI DNR | |||||||||
SCHOOL SECTION LAKE | WI | L | Failure | 05/10/2018 | Seepage/internal Erosion | Animal Activity | Piping | WI01142-3339 | Embankment failure | No | 0 | 0 | 0 | 0 | None | L | PGRE | OR | N | 8 ft | 700 ac-ft | 117 acres | 1937 | WI01142 | SCHOOL SECTION LAKE OUTLET | 42.9828 | -88.5088 | 1938 | WIDNR | Unknown | WI DNR | |||||||||
CRANBERRY CREEK | WI | L | Failure | 04/25/2018 | Hydrologic/flooding | Overtopping | WI00450-3340 | Dam breached overnight at principal spillway structure | No | 0 | 0 | 0 | 0 | Roads | Minor damage at downstream road crossing EAP not activitated because rural area and unknown failure overnight | L | RE | R | Y | 15 ft | 300 ac-ft | 55 acres | 1973 | WI00450 | CRANBERRY CREEK | 45.5961 | -90.4247 | 0 | WIDNR | No | WI DNR | |||||||||
HESS CREEK DAM | AK | H | Non-failure | 04/27/2020 | Deterioration Or Poor Condition | High Reservoir Level | Debris Clogging | AK00017-3341 | Satellite imagery on 4/25/2020 appears to show the dam is impounding significant amount of water. There is no serviceable spillway. The low level outlet does not appear to be functioning. Wildfires last year burned area and likely increase runoff and erosion, potentially clogging low level outlet causing impoundment. | No | 0 | 0 | 0 | 0 | None | None | Inspection and monitoring as the reservoir level receeded. | P | RE | S | N | 56 ft | 10200 ac-ft | 0 acres | 1946 | AK00017 | SOUTH FORK HESS CREEK | 65.5933 | -148.392 | 0 | AKDNR | 1 month | Yes | Alaska Dam Safety | Y | |||||
LAKE EVANS DAM | GA | U | Non-failure | 02/22/2019 | Deterioration Or Poor Condition | Erosion | GA07150-3342 | Program took calls stemming from our 2018 visit to the seriously-eroded dam. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Local official asked Program for advice. | Program is in process of reclassifying the dam. | P | RE | R | NR | 25 ft | 25 ac-ft | 2 acres | 0 | GA07150 | UNNAMED | 33.5656 | -84.4239 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | ||||||||
LAKE BENNETT DAM | AR | L | Non-failure | 04/30/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | AR00038-3100 | Over 8 inches fell in less than 4 hours. The spillways could not handle the flow and the dam was overtopped. The rock masonry core was left intact, however the earth downstream embankment was eroded. | No | Unknown | Unknown | Unknown | Roads | Unknown | The earth spillway was washed out and deposited downstream across a road and onto private property. | S | ERRE | CFR | NR | 41 ft | 486 ac-ft | 33 acres | 1940 | AR00038 | BLACK FORK CREEK | 35.2817 | -92.285 | 0 | ANRC | 4 hours | Unknown | Y | |||||||
LAKE ELMDALE DAM | AR | H | Non-failure | 04/28/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | AR00290-3101 | Heavy prolong rain surpassed the spillway capacity | No | Unknown | Unknown | Unknown | Roads | Unknown | The earth spillway was washed out and deposited downstream across a road and onto private property. | S | RE | R | N | 46 ft | 2050 ac-ft | 125 acres | 1952 | AR00290 | BUSH CREEK | 36.1983 | -94.2183 | 0 | ANRC | 2 days | Yes | Y | ||||||||
POTHOLE RESERVOIR | ID | L | Failure | 02/07/2017 | Hydrologic/flooding | Overtopping | Erosion | ID00358-3102 | Likely cause was overtopping due to rapid melting of as much as 16-18 inches of snow on or about the reported failure date. | No | 0 | Unknown | Unknown | Unknown | Other | Unknown | D/S resident reported damage to agricultural land and outbuildings. | S | PG | P | NR | 28 ft | 600 ac-ft | 600 acres | 1941 | ID00358 | POT HOLE CREEK | 42.7083 | -115.477 | 0 | Yes | IDWR | Y | |||||||
NIELSEN DAM | ID | L | Failure | 08/04/2017 | Hydrologic/flooding | Overtopping | Erosion | ID06055-3103 | 0 | Unknown | Unknown | Unknown | Roads | Unknown | RE | 0 ft | 0 ac-ft | 0 acres | 0 | ID06055 | 0 | 0 | 0 | Yes | IDWR | Y | ||||||||||||||
SILVER LAKE DAM - MIDDLETOWN | DE | H | Non-failure | 07/06/2017 | Deterioration Or Poor Condition | Gate/valve Failure | Insufficient Spillway Capacity | DE00051-3104 | A pop-up storm caused the road to nearly overtop and gates in the left spillway were opened. The gates could not be closed due to deflection and breakage and the pond continued to lower. | No | Roads | $500,000 to $1 million | An emergency cofferdam was placed in front of gates to prevent pond from emptying. EAP procedures were followed but it was not "officially" activated. Design has been initiated to replace the gates. The economic damages only includes emergency construction of temporary sheeting and proposed design costs. We will not have an estimate for constrution costs until the design is complete. | S | PGRE | R | Y | 18 ft | 591 ac-ft | 39 acres | 1945 | DE00051 | DEEP CREEK | 39.438 | -75.6934 | 0 | DNREC | Yes | DelDOT and DNREC Dam Safety Program | Y | ||||||||||
BRAWNER LAKE | MN | L | Failure | 02/24/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MN00120-3105 | In 2015, a small seperation between the riser and outlet conduit occurred, resulting in a slowly falling lake level. In 2017, the corroded conduit seperated from the riser draining the lake. | No | 0 | 0 | 0 | 0 | None | Unknown | DNR owned Dam. Operators notified DNR Dam Safety quickly. | 400 ac-ft | S | PGRE | O | NR | 32 ft | 450 ac-ft | 30 acres | 1952 | MN00120 | REDWOOD RIVER | 44.3358 | -95.9214 | 1997 | MNDNR EWR | 2 years to complete failure | No | MNDNR | ||||||
LINN GROVE MILLDAM | IA | L | Failure | 04/22/2019 | Hydrologic/flooding | Overtopping | IA01308-3244 | Low Head Dam. Flood event cause overtopping and breaching in two locations of the abutment area. | 0 | 0 | 0 | 0 | None | None | L | PG | R | NR | 9 ft | 416 ac-ft | 90 acres | 1924 | IA01308 | LITTLE SIOUX RIVER | 42.8956 | -95.2448 | 0 | IOWA DNR | IA DNR | |||||||||||
BEDFORD WATER SUPPLY DAM | IA | S | Non-failure | 10/11/2018 | Deterioration Or Poor Condition | Piping | Erosion | Spillway Pipe Failure | IA01052-3245 | Piping and loss of significant downstream embankment slope due to deteriorated corrugated metal pipe. | No | 0 | 0 | 0 | 0 | None | None | L | RE | S | NR | 44 ft | 598 ac-ft | 30 acres | 1969 | IA01052 | TR-EAST FORK 102 RIVER | 40.6822 | -94.7127 | 0 | IOWA DNR | IA DNR | ||||||||
ENGLISH BENCH WATERSHED SITE 9 | IA | L | Non-failure | 11/20/2018 | Seepage/internal Erosion | Piping | Sliding | IA00086-3246 | Slide failure and piping at toe | No | 0 | 0 | 0 | 0 | None | None | L | RE | PC | NR | 38 ft | 32 ac-ft | 2 acres | 1970 | IA00086 | TR-UPPER IOWA RIVER | 43.4418 | -91.4662 | 0 | IOWA DNR | IA DNR | |||||||||
CHARLESTON RESERVOIR | NV | L | Failure | 04/16/2019 | Manmade Action | Overtopping | Insufficient Spillway Capacity | Other | NV00038-3247 | There were modifications that were completed on the spillway and outlet, which reduced the capacity of this facility. The dam failed during spring runoff due to this reduced capaicty. | No | 0 | 0 | 0 | 0 | Roads | Unknown | 500 ac-ft | Damage was limited to ranch that uses the water during irrigation season and the county road downstream of the dam. | P | RE | IP | NR | 16 ft | 500 ac-ft | 50 acres | 1920 | NV00038 | BRUNEAU RIVER | 41.5823 | -115.497 | 1963 | NEVADA DWR | Yes | NV DWR | |||||
WASHOE LAKE DAM | NV | H | Non-failure | 06/16/2018 | Seepage/internal Erosion | Piping | NV10472-3248 | An earth pipe formed under the masonary structure which released up to 80 cfs during the incident. The pipe was plugged with underwater grout and an upstream filter. | Yes | 0 | 0 | 0 | 0 | Roads | Unknown | Other Infrastructure Impacts - Road, downstream dam | P | MSPG | IR | Y | 12 ft | 400 ac-ft | 45 acres | 0 | NV10472 | STEAMBOAT CREEK | 39.33 | -119.801 | 0 | NEVADA DWR | 8:00 AM | 5 Days | No | NV DWR | ||||||
EIGHTMILE LAKE OUTLET DAM | WA | H | Non-failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Insufficient Spillway Capacity | Reservoir Overfilling | WA00228-3248 | No failure but EAP implemented for deteriorating 90 year old dam as precaution for high spring runoff. Wildfire burned much of watershed the previous fall and low-level outlet was not working. Located in wilderness area with no winter access or remote monitoring. | Yes | 0 | 0 | 0 | 0 | None | None | Public alert and meetings. Local and State EM staff engaged. Twice weekly recons by small aircraft/helicopters. Installed remote monitoring, re-shaped and armoroed crest, reapired low level outlet. | temporary measures in place. Dam owner applying for rehabilitation of the dam. Located on USFS property. | U | ERRE | IR | Y | 22 ft | 1610 ac-ft | 65 acres | 1933 | WA00228 | EIGHTMILE CREEK | 47.5205 | -120.858 | 0 | WASHINGTON, DEPT OF ECOLOGY | 10 Months | No | WA DOE | ||||
HIDDEN TIMBER | SD | L | Failure | 03/23/2019 | Hydrologic/flooding | Unknown | SD00040-3249 | No | 0 | Unknown | post failure site visit by owner staff | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain, the primary incident mechanism was likely overtopping | S | RE | PR | NR | 18 ft | 824 ac-ft | 32 acres | 1933 | SD00040 | ANTELOPE CREEK | 43.2317 | -100.415 | 1959 | DENR | No | SD DENR | ||||||||||||
QUINN DAM | SD | L | Failure | 03/26/2019 | Unknown | Unknown | SD01073-3250 | No | 0 | Unknown | County officials close the downstream highway for a few hours while the situation was assessed, highway was reopened once it was verified the downstream drainage and culverts could handle expected outflow | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | L | RE | R | NR | 17 ft | 865 ac-ft | 87 acres | 1937 | SD01073 | TR-BAD RIVER | 43.9967 | -102.132 | 0 | DENR | No | SD DENR | ||||||||||||
OKOBOJO DAM | SD | S | Failure | 04/01/2019 | Unknown | Unknown | SD00438-3251 | No | 0 | Unknown | report of dam failure was verified | significant hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | P | RE | PRS | NR | 22 ft | 3150 ac-ft | 128 acres | 1938 | SD00438 | TR OKOBOJO CREEK | 44.6433 | -100.427 | 0 | DENR | No | SD DENR | ||||||||||||
ROSE HILL DAM | SD | L | Failure | 07/30/2010 | Hydrologic/flooding | Overtopping | SD00759-3252 | No | 0 | Unknown | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain | S | RE | R | NR | 38 ft | 950 ac-ft | 32 acres | 1935 | SD00759 | TR-SAND CREEK | 0 | 0 | 0 | SD DENR | No | SD DENR | |||||||||||||
LAKE HIDDENWOOD DAM | SD | L | Failure | 05/18/2018 | Hydrologic/flooding | Overtopping | SD00750-3253 | No | 0 | Bridges, Roads | Unknown | post failure site visit by staff from SD Dam Safety and owner staff, owner closed recreation area associated with the dam | low hazard dam so was not required to have an EAP, also no habitable structures in the downstream flood plain, bridge across the dam's spillway and gravel road across the crest were washed out, also some flash flooding of downstream cropland | S | RE | R | NR | 27 ft | 474 ac-ft | 27 acres | 1926 | SD00750 | TR MISSOURI | 0 | 0 | 0 | SD DENR | No | SD DENR | |||||||||||
LAKE VAN NORDEN | CA | H | Non-failure | 04/30/2019 | Deterioration Or Poor Condition | Spillway Chute Failure | CA00362-3254 | Large hole at the downstream right end of the spillway invert during high spring spill flows. | Yes | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner, Division of Safety of Dams, and first responders. | P | RE | HS | N | 30 ft | 300 ac-ft | 135 acres | 1916 | CA00362 | SOUTH YUBA RIVER | 39.322 | -120.377 | 0 | DWR, SAFETY OF DAMS | 1 week | Yes | CA DSOD | |||||||
LOWER BLUE LAKE | CA | L | Non-failure | 06/26/2018 | Seepage/internal Erosion | Excessive/increased Seepage | CA00380-3255 | Damp spots on the downstream face along the length of the left embankment, localized small active seep from damp area, and seepage boil located ~10 feet downstream of the toe on left side of the dam. | No | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner and Division of Safety of Dams. Spillway stoplogs have been removed and the reservoir restricted. | P | RE | H | NR | 40 ft | 5091 ac-ft | 198 acres | 1885 | CA00380 | BLUE CREEK | 38.6088 | -119.927 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | ||||||||
MISSELBECK | CA | H | Non-failure | 06/03/2019 | Other | Other | CA01027-3256 | Sediment build up in the reservoir has likely caused the entrance of the outlet works to become plugged. A combined release of ~1 cfs from both pipes while all four valves were fully open was observed during inspections. | Yes | 0 | 0 | 0 | 0 | None | None | Immediate response by dam owner and Division of Safety of Dams | U | RE | CS | Y | 96 ft | 3600 ac-ft | 113 acres | 1920 | CA01027 | NFK COTTONWOOD CR | 40.5003 | -122.697 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | ||||||||
MOCCASIN LOWER | CA | H | Non-failure | 03/22/2018 | Other | Insufficient Spillway Capacity | Reservoir Overfilling | Spillway Erosion/head Cutting | CA00122-3257 | Blockage of Moccasin Creek Bypass Tunnel caused sudden rise of the reservoir above core wall to nearly the dam crest because of insufficient spillway capacity. More in Remarks. | Yes | 0 | 20 | 1 | 1 | Water/sewer lines | $25 million to $50 million | Immediate response by dam owner, Division of Safety of Dams, and first responders. | Fish Hachery immediately downstream was evacuated - likely less than 20 people | L | RE | HOS | Y | 60 ft | 554 ac-ft | 29 acres | 1930 | CA00122 | MOCCASIN CREEK | 37.8123 | -120.306 | 0 | DWR, SAFETY OF DAMS | 2 days | Yes | CA DSOD | ||||
AUBERRY LUMBER MILL | CA | H | Non-failure | 04/02/2018 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | CA10403-3258 | The dam overtopped due to spillway pipes being clogged with overgrown vegetation. Overtopping eroded the downstream slope, which could have potentially led to failure. There is no low-level outlet at this dam. | No | 0 | 0 | 0 | 0 | None | None | Response hindered as this was an illegal dam previously unknown to the Division of Safety of Dams until days after the event. | P | RE | S | N | 17 ft | 94 ac-ft | 8 acres | 0 | CA10403 | LITTLE SANDY CREEK | 37.0676 | -119.49 | 0 | CA DWR | 1 day | Yes | CA DSOD | ||||||
INDIAN RUN | PA | H | Non-failure | 08/23/2018 | Seepage/internal Erosion | Slope Stability | PA00713-3259 | Slope failure occurred on the downstream face near the center of the dam. Area of failure was roughly 25 feet wide by 25 feet long and about 6 feet in depth. | No | 0 | 0 | 0 | 0 | None | None | Owners lowered the reservior and maintained it at a lower level until the slope was remediated. | L | RE | S | Y | 40 ft | 92 ac-ft | 5 acres | 1890 | PA00713 | INDIAN RUN | 40.2406 | -75.8181 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | No | PA DEP | ||||||||
LAKE QUINN | PA | H | Failure | 01/24/2018 | Hydrologic/flooding | Reservoir Overfilling | Other | PA00145-3260 | offerdam was overtopped and failure during construction. At the time of the cofferdam failure, the main dam has a significant breach cut through it for construction purposes. Main dam embankment was overtopped as a result of the cofferdam failure and a significant discharge occurred. This discharge into the downstream inundation area was ultimately reduced by a downstream roadway crossing. | No | 0 | 0 | 0 | Unknown | Unknown | $1 to $100,000 | Owners reconstructed the cofferdam with a bypass spillway to prevent reoccurance. | 400 ac-ft | P | MSREST | R | Y | 12 ft | 1244 ac-ft | 118 acres | 1946 | PA00145 | TR MIDDLE CREEK | 41.5081 | -75.4261 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | No | PA DEP | ||||||
HANSKA LAKE | MN | Non-failure | 03/21/2019 | Hydrologic/flooding | Erosion | Overtopping | MN00070-3261 | Flooding due to spring runoff. Spilling around the west side of the dam causing scour erosion. | No | 0 | 0 | 0 | 0 | None | None | Riprap placed on west side of the structure to stop erosion. | Working on redesign. Structure overtops frequently. Rebuild will be jurisdictional, existing dam is not. | S | REPG | NR | 5 ft | 13777 ac-ft | 1740 acres | 1930 | MN00070 | WATONWAN RIVER - TR | 44.11 | -94.5663 | 1986 | MNDNR | 1 day | Yes | MNDNR | |||||||
AJAX-HECTOR MINE POND | MN | Failure | 04/24/2018 | Hydrologic/flooding | Animal Activity | Debris Clogging | Overtopping | MN00000-3262 | Tributary stream meandered into abandoned mine pit during spring snowmelt causing partially filled mine pit to completely fill and overtop natural earth embankment. Embankment failed, draining pit into the Embarass River and causing damage to utilities and water quality issues on Embarass Lake. | No | 0 | 0 | 0 | 0 | Other | $100,000 to $500,000 | Property was abandoned by mining company decades ago and is now owned by state (IRRRB). Rebuild of trail over $1,000,000. | 100 ac-ft | The "dam" is a 250 foot section of natural ground between an excavation related to the mine pit and an excavation related to the diversion channel of the Embarrass River. Damage to Utility (power, telephone, water supply and sewer) lines severed. Tailings and raw sewage from severed sewer line entered lake downstream of embankment failure. Paved trail washed out. | S | OT | O | NR | 55 ft | 150 ac-ft | 9 acres | 1945 | MN00000 | OS TRIBUTARY TO THE EMBARRASS RIVER DIVERSION | 47.541 | -92.3108 | 0 | MNDNR | 1 day | Unknown | MNDNR | ||||
EMPIRE (OUTLET EMBANKMENT) | CO | H | Non-failure | 06/11/2018 | Seepage/internal Erosion | Sinkhole | Piping | CO00009-3263 | A toe drain installed in 1974 and it appears the 8 inch clay pipe damaged and has allowed sediment to be carried away over the years forming the sink hole. | Yes | 0 | 0 | 0 | None | None | The sink hole did not appear to be changing so temporary patch was performed. With a permanent repair done in the fall. temporarily placed gravel in hole. Then camera old drain. Then abandoned and repair new drain | P | RE | FIR | Y | 37 ft | 50900 ac-ft | 2842 acres | 1905 | CO00009 | SOUTH PLATTE RIVER-OS | 40.2732 | -104.189 | 0 | DWR | 6:00 PM | Yes | CO DNR | Y | ||||||
SWIFT RUN LAKE DAM | OH | H | Non-failure | 01/12/2018 | Seepage/internal Erosion | Piping | Vegetation | OH00515-3264 | Concentrated seepage on downstream slope | Yes | 0 | 0 | 0 | 0 | The Ohio Dam Safety Program (ODSP) was contacted by the dam owner. They started monitoring the seepage and opened the lake drain. | Seepage was in the same area as the incident noted in 2017. Dam owner put in a small slurry wall to cut off the seepage. | L | RE | S | Y | 39 ft | 629 ac-ft | 38 acres | 1876 | OH00515 | SWIFT RUN | 40.1764 | -84.2633 | 0 | DEPARTMENT OF NATURAL RESOURCES | 3 days | No | OH DNR | |||||||
ECHO LAKE DAM | OH | S | Failure | 06/08/2018 | Hydrologic/flooding | Overtopping | OH00000-3265 | The area received 5 inches of rain in less than 6 hours. It appeared that the center of the crest was approximately 1 foot lower than the left and right ends. The original principal spillway was grouted shut and a new spillway was installed between August 2005 and April 2006 based on historical aerial photographs of the dam. The dam had no emergency spillway. | No | 1 | 0 | 0 | 2 | Roads, Railroad | $100,000 to $500,000 | ODSP did not hear about this dam until after the fact. The dam was not inventoried and therefore not inspected by our program. Staff inspected the breached dam and surveyed the damage downstream. A letter was sent to the owner indicating that if the dam were to be reconstructed that a construction permit from our office would be required. | 28.6 ac-ft | 1 Elderly woman was killed. Apparently she left her house to check on her goat and was swept away in the floodwaters. Unknown if this occurred during dam failure or just during flooding event. | P | RE | R | N | 22 ft | 28 ac-ft | 2 acres | 0 | OH00000 | TRIBUTARY TO CONOTTON CREEK | 40.4894 | -81.3272 | 0 | OH DNR | 7-8 PM | less than 1 day | No | OH DNR | ||||
BURTON LAKE DAM | OH | S | Non-failure | 06/28/2018 | Seepage/internal Erosion | Piping | Spillway Chute Failure | OH01611-3266 | Cloudy discharge from under spillway reported by downstream neighbor. | No | 0 | 0 | 0 | 0 | ODSP staff made site visits to assist owner with construction of weighted filter berm at the outlet and excavation of partial breach though the emergency spillway since there was no lake drain to lower the water level. A Chief's Order issued to breach the dam. The dam owner fully breached the dam by the end of the year. | L | RE | R | Y | 9 ft | 447 ac-ft | 18 acres | 1952 | OH01611 | TRIBUTARY TO BRIDGE CREEK | 41.4303 | -81.1861 | 0 | DEPARTMENT OF NATURAL RESOURCES | 6 months | No | OH DNR | ||||||||
PRIDE VALLEY LAKE DAM | OH | L | Non-failure | 08/20/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH01047-3267 | The principal spillway riser failed. | No | 0 | 0 | 0 | 0 | ODSP staff made site visits to assist owner. Owner actually had approved plans to replace the principal spillway prior to incident. Owner had contractor come in and temporarily breach the dam. Replaced the spillway in the summer of 2019. | P | RE | R | N | 26 ft | 56 ac-ft | 6 acres | 1957 | OH01047 | TRIBUTARY TO ARMSTRONG RUN | 40.7083 | -81.17 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | |||||||||
ISLAND FISHING LAKE DAM | OH | S | Non-failure | 12/20/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00176-3268 | The principal spillway collapse so water could not exit lake. Neighbor reported high pool that was flooding their property. | No | 0 | 0 | 0 | 0 | ODSP staff directed the dam owner to install siphons to lower the water level since there was not lake drain. Owner lowered the water level and has maintained it below the spillway elevation. They plan to replace the spillway pipe by the end of 2019. | P | RE | R | Y | 11 ft | 139 ac-ft | 20 acres | 0 | OH00176 | TRIBUTARY TO SALMON RUN | 39.4472 | -84.6883 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | |||||||||
UPPER SHAKER LAKE DAM | OH | H | Non-failure | 04/18/2018 | Seepage/internal Erosion | Piping | Spillway Pipe Failure | OH00353-3269 | Sinkhole next to the spillway found during periodic inspection. | No | 0 | 0 | 0 | 0 | ODSP staff directed the dam owner to lower the water level. Started by pumping and then was able to remove a portion of the spillway riser. Dam currently under design. | L | RE | R | Y | 30 ft | 155 ac-ft | 11 acres | 1852 | OH00353 | DOAN BROOK | 41.4831 | -81.5606 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | ||||||||||
CROOKSVILLE RESERVOIR NO. 1 DAM | OH | H | Non-failure | 11/07/2018 | Seepage/internal Erosion | Piping | Spillway Pipe Failure | OH00279-3270 | During a periodic inspection, sinkholes in the left end of the downstream slope of the dam were discovered. Ordered the dam owner to drain the lake. Owner is working on permanently breaching the dam. | L | RE | R | N | 34 ft | 96 ac-ft | 7 acres | 1934 | OH00279 | DRY RUN | 39.7611 | -82.0472 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH DNR | |||||||||||||||
NORTH RESERVOIR DAM | OH | H | Non-failure | 12/01/2018 | Deterioration Or Poor Condition | Gate/valve Failure | OH00587-3271 | Lake drain operation caused the abutment movement and unsafe condition for operator. | No | 0 | 0 | 0 | 0 | ODSP staff made a site visit to inspect the rest of the structure. Dam currently under design. | S | RE | R | Y | 12 ft | 1111 ac-ft | 166 acres | 1840 | OH00587 | TRIBUTARY TO TUSCARAWAS RIVER | 41.0056 | -81.5508 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | No | OH DNR | |||||||||
PEABODY COAL COMPANY POND DAM | OH | L | Non-failure | 10/25/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00868-3272 | During a periodic inspection, ODSP staff discovered that the last 4 sections of the spillway pipe had separated from the rest of the spillway and the downstream slope over the spillway pipe had eroded away. | No | 0 | 0 | 0 | 0 | ODSP staff informed owner. The dam is being monitored and currently under design. | S | RE | R | Y | 34 ft | 215 ac-ft | 5 acres | 1967 | OH00868 | TRIBUTARY TO MILL FORK | 40.2289 | -81.9467 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH DNR | ||||||||||
SLAUGHTERS LAKE DAM | KY | S | Failure | 02/25/2018 | Deterioration Or Poor Condition | Erosion | KY00141-3273 | Dam breached around principal spillway pipe due to poor condition of structure and excessive erosion. | 0 | 0 | 0 | 0 | P | RE | O | NR | 18 ft | 260 ac-ft | 13 acres | 1890 | KY00141 | DEER CREEK | 37.4785 | -87.4925 | 0 | KY DIVISION OF WATER | Yes | KY DNR | ||||||||||||
LUZERNE LAKE DAM | KY | H | Non-failure | 02/26/2018 | Structural Stability | Slope Stability | Sliding | KY00158-3274 | Dam experienced a slide on the downstream slope due to steep slopes and saturated conditions. | 0 | 0 | 0 | 0 | L | RE | R | Y | 25 ft | 937 ac-ft | 59 acres | 1940 | KY00158 | CANEY CREEK | 37.2131 | -87.196 | 0 | KY DIVISION OF WATER | Yes | KY DNR | |||||||||||
BIG BONE LICK STATE PARK DAM | KY | L | Non-failure | 06/17/2018 | Seepage/internal Erosion | Piping | KY00307-3275 | Dam experienced a piping incident on the downstream slope with large sinkhole formation. Drawdown only partially functional. Suspect failed low level conduit. | 0 | 0 | 0 | 0 | S | RE | R | Y | 70 ft | 218 ac-ft | 9 acres | 1971 | KY00307 | BIG BONE CREEK | 38.8845 | -84.7429 | 0 | KY DIVISION OF WATER | Yes | KY DNR | ||||||||||||
OTTER LAKE DAM | KY | H | Non-failure | 03/01/2018 | Structural Stability | Slope Stability | KY00858-3276 | Dam experienced a slide on the downstream slope due to steep slopes and saturated conditions. | 0 | 0 | 0 | 0 | P | RE | R | Y | 28 ft | 695 ac-ft | 26 acres | 1959 | KY00858 | OTTER CREEK | 37.4066 | -87.518 | 0 | KY DIVISION OF WATER | Yes | KY DNR | ||||||||||||
BARTLETT CARRY DAM | NY | S | Non-failure | 05/06/2018 | Seepage/internal Erosion | Cracking | Excessive/increased Seepage | Sinkhole | NY00011-3277 | Leakage through the dam through the concrete on the upstream face of the spillway and through the porous core in the abutment wall caused excessive seepage which caused a sink hole. | Yes | 0 | 0 | 0 | 0 | The seepage was repaired using additional cutoffs and relief drains and the sink hole was repaired. | P | CNOT | OR | Y | 17 ft | 70924 ac-ft | 5066 acres | 1915 | NY00011 | SARANAC RIVER | 44.2506 | -74.2942 | 0 | NYS DEC | 3 days | Yes | NY Dam Safety | |||||||
NORWOOD | NY | H | Non-failure | 09/06/2018 | Deterioration Or Poor Condition | Cracking | Excessive/increased Seepage | NY00743-3278 | Increased seepage through concrete joints had to be repaired through a grouting program | No | 0 | 0 | 0 | 0 | This is a FERC Licensed dam. FERC was the primary regulator monitoring the repairs. | P | CNERPG | H | Y | 24 ft | 1736 ac-ft | 350 acres | 1928 | NY00743 | RAQUETTE RIVER | 44.7433 | -75.0054 | 0 | NYS DEC | 9 months | Yes | NY Dam Safety | ||||||||
GREENBRIER STATE PARK DAM & DIKE | MD | H | Non-failure | 07/20/2018 | Hydrologic /flooding | Overtopping | MD00118-3279 | Yes | None | None | None | None | Other,recreational lake | Unknown | S | RE | R | Y | 64 ft | 734 ac-ft | 27 acres | 1965 | MD00118 | LITTLE BEAVER CREEK-TR | 39.5389 | -77.6213 | 1996 | MD DAM SAFETY | 3 weeks | No | MD DAM SAFETY | |||||||||
LAKE MARIAN (WOODRIDGE ROAD) | MD | L | Non-failure | 08/05/2018 | Other | Slope Stability | MD00075-3280 | No | None | None | None | None | Roads | P | RE | R | NR | 50 ft | 113 ac-ft | 3 acres | 1973 | MD00075 | LINGANORE CREEK-TR | 39.4172 | -77.3268 | 2003 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | ||||||||||
CASCADE LAKE DAM | MD | S | Non-failure | 04/16/2018 | Seepage/internal Erosion | Excessive/increased Seepage | MD00042-3281 | Yes | None | None | None | None | Other,recreational lake | P | ER | R | Y | 20 ft | 58 ac-ft | 5 acres | 1900 | MD00042 | PATAPSCO RIVER-TR-EAST BRANCH | 39.6167 | -76.8883 | 1976 | MD DAM SAFETY | 6 months | No | MD DAM SAFETY | ||||||||||
ST CLAIR FARM POND | MD | S | Non-failure | 04/18/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | MD00199-3282 | No | None | Unknown | Unknown | Unknown | Roads | P | RE | R | Y | 18 ft | 64 ac-ft | 8 acres | 1968 | MD00199 | CHURCH BRANCH, TR-BUSH CREEK | 39.3417 | -77.2245 | 1968 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | ||||||||||
RISING SUN WASTE WATER LAGOON | MD | L | Non-failure | 07/25/2018 | Hydrologic/flooding | Overtopping | MD00130-3283 | No | None | None | None | None | Roads | L | RE | NR | 10 ft | 119 ac-ft | 8 acres | 1964 | MD00130 | OFFSTREAM-STONE RUN | 39.7067 | -76.08 | 2012 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | |||||||||||
MORRIS MILL POND (SOUTH DIVISION STREET) | MD | H | Non-failure | 10/01/2018 | Hydrologic/flooding | Overtopping | Debris Clogging | MD00131-3284 | Hurricane Michael | No | None | None | None | None | Roads | L | RE | RI | Y | 11 ft | 191 ac-ft | 11 acres | 1947 | MD00131 | SLAB BRIDGE CREEK | 38.326 | -75.6024 | 2018 | MD DAM SAFETY | 1 year | No | MD DAM SAFETY | ||||||||
WILDCAT DAM | TX | H | Failure | 08/01/2017 | Unknown | Unknown | TX00990-3285 | BREACHED | P | RE | PR | Y | 30 ft | 192 ac-ft | 4 acres | 1951 | TX00990 | BEAVER CREEK | 30.9082 | -98.3887 | 0 | TCEQ | TCEQ | |||||||||||||||||
UPPER BRUSHY CREEK WS SCS SITE 25 DAM | TX | S | Non-failure | 01/04/2019 | Structural Stability | Sliding | TX01339-3286 | SLIDE ON DOWNSTREAM SLOPE | L | RE | CP | N | 35 ft | 1728 ac-ft | 36 acres | 1975 | TX01339 | LITTLE MUSTANG CREEK | 30.5774 | -97.4827 | 0 | TCEQ | TCEQ | |||||||||||||||||
LAKE DUNLAP DAM | TX | H | Non-failure | 05/14/2019 | Unknown | Gate/valve Failure | TX01602-3287 | SPILLWAY GATE FAILED | S | RE | HR | Y | 41 ft | 14330 ac-ft | 410 acres | 1928 | TX01602 | GUADALUPE RIVER | 29.654 | -98.0663 | 0 | TCEQ | TCEQ | |||||||||||||||||
LAKE WOOD DAM | TX | H | Non-failure | 03/10/2016 | Unknown | Gate/valve Failure | TX01913-3288 | SPILLWAY GATE FAILED | S | RE | HR | Y | 42 ft | 27450 ac-ft | 488 acres | 1931 | TX01913 | GUADALUPE RIVER | 29.4684 | -97.4921 | 0 | TCEQ | TCEQ | |||||||||||||||||
COTTON LAKE DAM | TX | L | Failure | 05/17/2018 | Unknown | Unknown | TX02845-3290 | BREACHED | P | RE | S | NR | 16 ft | 96 ac-ft | 10 acres | 1970 | TX02845 | TR-CANEY CREEK | 32.5709 | -95.9518 | 0 | TCEQ | TCEQ | |||||||||||||||||
CANTRELL LAKE DAM | TX | L | Failure | 05/17/2018 | Unknown | Unknown | TX02805-3291 | BREACHED | P | RE | S | NR | 18 ft | 137 ac-ft | 12 acres | 1972 | TX02805 | TR-HORSLEY CREEK | 32.4586 | -95.6248 | 0 | TCEQ | TCEQ | |||||||||||||||||
CADENHEAD DAM | TX | Non-failure | 12/28/2018 | Seepage/internal Erosion | Piping | TX07536-3292 | PIPING FAILURE DID NOT BREACH THE DAM | RE | 21 ft | 43 ac-ft | 0 acres | 0 | TX07536 | 0 | 0 | 0 | TCEQ | |||||||||||||||||||||||
LEISURE LAKE | TN | H | Non-failure | 02/22/2023 | Seepage/internal Erosion | Piping | Spillway Pipe Failure | TN07107-3515 | Dam owner altered spillway without approval. Seepage developed around abanonded spillway and led to excessive piping. | No | 0 | 0 | None | Owner notified Safe Dams staff the day after. Notice of Violation issued and dam must remain breached until Engineer submits corretive action plan. | P | RE | R | Y | 32 ft | 83 ac-ft | 6 acres | 1999 | TN07107 | TRIBHOUSTON BRANCH | 35.0292 | -88.2458 | 0 | TENN SAFE DAMS PRG | 2 days | Yes | TN Safe Dams | Y | ||||||||
HADDOCK DAM | TX | Non-failure | 01/02/2019 | Unknown | Spillway Deficiency | TX07538-3293 | SPILLWAY FAILURE | RE | 12 ft | 53 ac-ft | 0 acres | 0 | TX07538 | 0 | 0 | 0 | TCEQ | |||||||||||||||||||||||
DAM AT HLE | TX | Non-failure | 05/01/2019 | Unknown | Spillway Deficiency | TX07552-3294 | SPILLWAY FAILURE | RE | 19 ft | 57 ac-ft | 0 acres | 0 | TX07552 | 0 | 0 | 0 | TCEQ | |||||||||||||||||||||||
LAWLER DAM | TX | Non-failure | 10/01/2018 | Unknown | Overtopping | TX09730-3295 | OVERTOPPED, DID NOT FAIL. DOWNSTREAM SLOPE DAMAGE | RE | 9 ft | 20 ac-ft | 0 acres | 0 | TX09730 | 0 | 0 | 0 | TCEQ | |||||||||||||||||||||||
TOWSON DAM | TX | Non-failure | 12/28/2018 | Unknown | Spillway Deficiency | TX09733-3296 | SPILLWAY DAMAGE | RE | 15 ft | 42 ac-ft | 0 acres | 0 | TX09733 | 0 | 0 | 0 | TCEQ | |||||||||||||||||||||||
CLOVER DAM | VA | S | Non-failure | 06/03/2018 | Hydrologic/flooding | Overtopping | Erosion | VA003162-3297 | Overtopping of dam, severe erosion of downstream face of dam. | No | 0 | P | RE | R | Y | 23 ft | 98 ac-ft | 7 acres | 0 | VA003162 | TR-IVY CREEK | 38.0622 | -78.5829 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
FLATROCK POND DAM | VA | U | Non-failure | 10/08/2016 | Hydrologic/flooding | Unknown | VA025005-3298 | Matthew | No | 0 | From Hurricane Matthew in October 2016. Met with VDOT personnel about emergency repairs/alterations on 05/30/18. | P | RE | R | N | 14 ft | 91 ac-ft | 9 acres | 0 | VA025005 | FLATROCK BRANCH OF REEDY CREEK - VAHU6 CM18 REEDY CREEK | 36.8121 | -77.7596 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
ALLEN LAKE DAM | VA | U | Non-failure | 05/17/2018 | Unknown | Spillway Erosion/head Cutting | VA029050-3299 | Loss of emergency spillway , loss of lake volume. | No | 0 | P | RE | R | N | 24 ft | 91 ac-ft | 9 acres | 0 | VA029050 | 37.5636 | -78.403 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||
LAUREL CREEK DAM | VA | U | Non-failure | 03/14/2019 | Hydrologic/flooding | Overtopping | Erosion | VA077004-3300 | Dam had overtopped and came very close to failing. The overtopping was several inches deep over 1/3 to 1/2 the length of the dam. Head cutting erosion started in several places at the toe of the dam. | 0 | The excellent grass cover kept the dam from failing by overtopping erosion being much slower with the excellent grass cover. Original botton drain pipe and prinicipal spillway riser are gone. Single spillway culvert at full capacity at inlet and within | P | RE | R | N | 24 ft | 124 ac-ft | 10 acres | 1974 | VA077004 | LAUREL CREEK | 36.7242 | -81.3635 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
EDMUNDS LAKE | VA | L | Non-failure | 10/23/2018 | Unknown | Spillway Erosion/head Cutting | VA083039-3301 | Dam sustained major erosion into noncompetent Rock in Auxiliary Spillway | 0 | S | RE | R | N | 28 ft | 358 ac-ft | 26 acres | 0 | VA083039 | NONE | 36.7148 | -78.6901 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||
CANTERBURY DAM | VA | H | Non-failure | 05/18/2018 | Hydrologic/flooding | Overtopping | VA087002-3302 | overtopping of dam/damage to road | No | 0 | L | RE | R | Y | 13 ft | 162 ac-ft | 11 acres | 0 | VA087002 | 37.6024 | -77.6062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||
CANTERBURY DAM | VA | H | Non-failure | 12/12/2018 | Malfunction Of Equipment/gate | Accident Or Misoperation | Erosion | VA087002-3303 | Dam experienced internal erosion away from edges and was subsequently excavated tor repair watermain break and later backfilled. | No | 0 | L | RE | R | Y | 13 ft | 162 ac-ft | 11 acres | 0 | VA087002 | 37.6024 | -77.6062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
BEAVER CREEK DAM | VA | H | Non-failure | 05/21/2018 | Hydrologic/flooding | Spillway Chute Failure | VA089003-3304 | Damage due to excessive rain. Unable to maintain the lower pool level of 18” down from crest of their concrete spillway, and water is again flowing through their damaged concrete spillway. Voids under the concrete spillway and heaved slab sections on th | No | 0 | It was then found that even with flows as low as 0.5 CFS (about 225 gallons per minute)in the spillway there was continual and significant amounts of subslab base material from under the spillway concrete spillway eroding out and depositing into the plun | L | RE | S | Y | 70 ft | 6603 ac-ft | 206 acres | 0 | VA089003 | BEAVER CREEK | 36.7433 | -79.875 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
KELLAM DAM | VA | U | Non-failure | 05/09/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA131004-3305 | Report of failed dam components (riser/barrel) from dam owner and county. Decrease in normal pool lake level. Dam did not fail. | No | 0 | P | RE | I | N | 10 ft | 251 ac-ft | 0 acres | 1960 | VA131004 | TR-THE GULF | 37.3695 | -75.9825 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
SPOTSWOOD DRIVE DAM | VA | L | Non-failure | 08/01/2018 | Manmade Action | Accident Or Misoperation | VA137015-3306 | Owner cut notch in dam with Track Hoe to release high water. | No | 0 | P | RE | R | N | 35 ft | 270 ac-ft | 5 acres | 0 | VA137015 | 38.3785 | -77.7805 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||
DAVIS DAM | VA | U | Non-failure | 09/15/2018 | Unknown | Unknown | VA145088-3307 | Spillway experienced considerable erosion, seepage detected | No | 0 | P | NR | 20 ft | 106 ac-ft | 13 acres | 0 | VA145088 | 37.4475 | -77.8359 | 0 | VA DCR | |||||||||||||||||||
GOODWIN DAM | VA | L | Non-failure | 10/12/2018 | Hydrologic/flooding | Overtopping | Erosion | VA147005-3308 | Downslope earthen embankment erosion due to overtopping. Dam did not fail. | No | 0 | S | RE | R | Y | 32 ft | 212 ac-ft | 11 acres | 0 | VA147005 | TR-SANDY RIVER | 37.1753 | -78.2815 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||
GARLAND MILLPOND DAM | VA | L | Non-failure | 10/15/2018 | Unknown | Spillway Erosion/head Cutting | VA159002-3309 | Emergency spillway suffered erosion damage | No | 0 | P | RE | R | Y | 16 ft | 672 ac-ft | 56 acres | 0 | VA159002 | MARSHY SWAMP | 37.9588 | -76.7062 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
COLLEGE LAKE DAM | VA | H | Non-failure | 08/03/2018 | Hydrologic/flooding | Overtopping | VA680002-3310 | From overtopping and evacuation event on August 2-3, 2018. Dam did not fail. | Yes | 0 | L | RE | CR | Y | 35 ft | 710 ac-ft | 15 acres | 0 | VA680002 | BLACKWATER CREEK - VAHU6 JM10 - BLACKWATER CREEK | 37.4016 | -79.184 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||
LAKE SUMMIT DAM | VA | Non-failure | 08/03/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | VA680003-3311 | Auxiliary (emergency) spillway erosion from heavy rainfall event in greater Lynchburg area on August 2-3, 2018. Dam did not fail. | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA680003 | 0 | 0 | 0 | VA DCR | ||||||||||||||||||||||
CHAPEL LAKE DAM | VA | H | Non-failure | 02/07/2018 | Deterioration Or Poor Condition | Spillway Riser Failure | VA059015-3312 | Auxiliary (emergency) spillway erosion from heavy rainfall event in greater Lynchburg area on August 2-3, 2018. Dam did not fail. | No | 0 | Lake water was released through the internal pipe in the dam to the downstream and lake level was lowered. The dam didn't break. Fairfax County opened the low level drain and drained the lake to remove the hazard. | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA059015 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||
REEDY MILLPOND DAM | VA | U | Non-failure | 05/21/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | VA003016-3313 | water levels breached the dam and damaged the western wingwalls. Dam had high water levels due to recent heavy rains which engaged the primary spillway (right looking downstream) and auxiliary spillway (left looking downstream). Flow in primary spillwa | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA003016 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||||
ISOM DAM | VA | H | Non-failure | 08/02/2018 | Seepage/internal Erosion | Piping | VA035016-3314 | Failure due to soil piping and erosion in the center of the dam | No | 0 | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA035016 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
SPENCER DAM | NE | S | Failure | 03/14/2019 | Other | Overtopping | Other | NE00628-3328 | Major flood and ice run on the river overtopped the dam and caused failure. | Winter Storm Ulmer | No | 1 | 1 | Bridges | Unknown | Dam operators attempted to evacuate the individual living just downstream but the home apparently washed away before that happened. | 16487 ac-ft | At the request of NE DNR and NPPD, ASDSO conducted an investigation of the failure. | U | RE | H | NR | 45 ft | 16487 ac-ft | 864 acres | 1927 | NE00628 | NIOBRARA RIVER | 42.8088 | -98.6566 | 0 | NE DNR | 5:15 AM | Yes | ASDSO Independent Investigation Panel | Y | ||||
GREENE VALLY SECTION 7 DAM | VA | L | Non-failure | 08/19/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA079005-3315 | Primary spillway pipe failure at base of pipe. 5 foot drop in normal pool | No | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA079005 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||||
WEBB/STRICKEN DEER RESERVE DAM | VA | H | Non-failure | 01/15/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | VA035017-3316 | Pipe failure, significant erosion upstream crest of dam | No | 0 | N | 0 ft | 0 ac-ft | 0 acres | 0 | VA035017 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | |||||||||||||||||||
RAKES TAVERN LP DAM | VA | U | Non-failure | 03/19/2019 | Deterioration Or Poor Condition | Spillway Riser Failure | Overtopping | VA067000-3317 | Pond overflow pipe is broken off down in the pond and is stopped up so that it no longer works and is overflowing at the corner of the dam and is flooding roadside. the water flowing over the North corner of the dam appears to be degrading the dam itself | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA067000 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||||
LAKE POWHATAN DAM | VA | H | Non-failure | 02/23/2019 | Deterioration Or Poor Condition | Gate/valve Failure | Spillway Pipe Failure | VA015506-3318 | minor erosion on the upper face of the dam, not the crest, due to a whirlpool created due to a joint failure with the inlet pipe between the bottom drain valve and the dam on the lake side of the dam. The owners opened the valve to perform maintenance pr | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | VA015506 | 0 | 0 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA DCR | ||||||||||||||||||||
SYKESTON DAM | ND | S | Non-failure | 09/21/2019 | Hydrologic/flooding | High Reservoir Level | Erosion | ND00009-3319 | Area received 7-9 inches of rain, resulting in very high reservoir levels. Water flowed around the sides of the concrete chute spillway, resulting in some erosion behind one chute wall. | No | 0 | 0 | 0 | Roads | High flows through the dam's spillway washed out unpaved road below the dam. | L | RE | S | Y | 27 ft | 3790 ac-ft | 105 acres | 1908 | ND00009 | PIPESTEM CREEK | 47.4845 | -99.3967 | 1936 | NDSWC | No | ||||||||||
COTTONWOOD CREEK DAM | ND | S | Non-failure | 04/04/2019 | Hydrologic/flooding | High Reservoir Level | ND00011-3320 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | No | 0 | 0 | 0 | None | L | RE | R | N | 76 ft | 16839 ac-ft | 494 acres | 1973 | ND00011 | COTTONWOOD CREEK | 46.299 | -98.2671 | 1979 | NDSWC | 1 week | No | |||||||||||
ELM RIVER NO. 1 | ND | S | Non-failure | 04/25/2018 | Hydrologic/flooding | High Reservoir Level | ND00041-3321 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | Yes | 0 | 0 | 0 | None | L | RE | C | Y | 25 ft | 5187 ac-ft | 48 acres | 1964 | ND00041 | MIDDLE BRANCH ELM RIVER | 47.3098 | -97.4647 | 0 | NDSWC | No | ||||||||||||
SWAN BUFFALO DET D#12 | ND | S | Non-failure | 04/03/2019 | Hydrologic/flooding | High Reservoir Level | ND00199-3322 | Spring snowmelt runoff caused flow through the dam's auxiliary spillway. | No | 0 | 0 | 0 | None | L | RE | C | Y | 27 ft | 1615 ac-ft | 29 acres | 1960 | ND00199 | SWAN CREEK | 46.9834 | -97.3911 | 0 | NDSWC | 1 week | No | |||||||||||
DAVIS FISH DAM | ND | L | Non-failure | 04/23/2019 | Seepage/internal Erosion | Spillway Pipe Failure | Piping | Sinkhole | ND00211-3323 | A section of the CMP principal spillway conduit separated near the outlet, resulting in erosion around the outlet and a sinkhole over the outlet. | No | 0 | 0 | 0 | Other | Access into a recreational area that required driving over the dam was temporarily closed. | S | RE | R | NR | 30 ft | 307 ac-ft | 15 acres | 1963 | ND00211 | SPRING CREEK | 46.546 | -103.658 | 1985 | NDSWC | No | |||||||||
DAUB DAM | ND | S | Non-failure | 04/10/2018 | Seepage/internal Erosion | Erosion | Piping | Excessive/increased Seepage | ND00372-3324 | Seepage/piping and erosion resulted in a large hole forming around a concrete manhole structure containing the low-level drawdown valve on the downstream slope of the dam embankment. | Yes | 0 | 0 | 0 | Other | The reservoir was drained until repairs could be made. | S | RE | R | Y | 79 ft | 1346 ac-ft | 43 acres | 1971 | ND00372 | MISSOURI-TR | 47.2361 | -101.223 | 1987 | NDSWC | No | |||||||||
CLAYTON COUNTY INTERNATIONAL PARK LAKE DAM | GA | H | Non-failure | 12/01/2015 | Hydrologic/flooding | Other | GA03698-3325 | Concrete wall of a building built into the dam collapsed from heavy rainfall event in December. | L | RE | R | N | 19 ft | 106 ac-ft | 13 acres | 1967 | GA03698 | UNKNOWN | 33.5253 | -84.3128 | 2006 | GA-SAFE DAMS PROGRAM | GA-SAFE DAMS PROGRAM | |||||||||||||||||
GEORGE H SPARKS RESERVOIR DAM #1 | GA | L | Non-failure | 01/01/2015 | Hydrologic/flooding | Spillway Chute Failure | GA01148-3326 | Significant damage to concrete spillway as result of heavy rain event | L | ER | R | NR | 40 ft | 4685 ac-ft | 222 acres | 1962 | GA01148 | UNKNOWN | 33.7583 | -84.6292 | 0 | GA-SAFE DAMS PROGRAM | GA-SAFE DAMS PROGRAM | |||||||||||||||||
GRIGGS LAKE DAM | IN | H | Non-failure | 02/25/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | IN00722-3327 | Sinkhole is located directly over the CMP principal spillway pipe, bout 1/3 of the way down the back slope of the dam. It is approximately 8 feet in diameter and 8 feet deep to the exposed pipe. | Owner immediately started pumping the lake down with a 6 inch pump | P | RE | R | NR | 22 ft | 82 ac-ft | 6 acres | 1964 | IN00722 | UNNAMED TRIBUTARY THOMPSON DITCH | 39.4406 | -87.3558 | 0 | IDNR | IDNR | |||||||||||||||
HILLSBORO | WI | H | Non-failure | 08/28/2018 | Hydrologic/flooding | Overtopping | WI00320-3329 | Earthen embankment overtopped causing extreme scour and erosion next to left wing wall | Yes | L | PGRE | R | Y | 24 ft | 430 ac-ft | 42 acres | 1854 | WI00320 | WEST BRANCH BARABOO R. | 43.6487 | -90.3374 | 1967 | WIDNR | 1 day | Unknown | WI DNR | ||||||||||||||
CRANBERRY CREEK FLOWAGE | WI | H | Failure | 06/17/2018 | Hydrologic/flooding | Overtopping | WI00457-3330 | Complete failure of left embankment and damage to principal concrete spillway with some uplift | Yes | 0 | 0 | 0 | Unknown | Roads | Damage to county highway immediately downstream. | L | RE | R | Y | 12 ft | 2500 ac-ft | 346 acres | 1969 | WI00457 | CRANBERRY CREEK | 46.4524 | -91.9517 | 0 | WIDNR | Unknown | WI DNR | |||||||||
RADIGAN | WI | L | Failure | 06/17/2018 | Hydrologic/flooding | Overtopping | Debris Clogging | WI00257-3331 | Lack of gate operation likely contributed to increased pressure and pool elevation | No | 0 | 0 | 0 | 0 | Dam didn't have an EAP | L | PGRE | R | N | 12 ft | 420 ac-ft | 150 acres | 1938 | WI00257 | UPPER TAMARACK RIVER | 46.2174 | -92.2255 | 1964 | WIDNR | Unknown | WI DNR | |||||||||
MLSNA | WI | H | Failure | 08/28/2018 | Hydrologic/flooding | Abutment Failure | Erosion | WI00403-3332 | High flows resulted in breach and failure of auxiliary spillway and abutment | Yes | 0 | Unknown | Unknown | Unknown | Roads, Bridges | Significant town road, culvert, and bridge damages. Major streambank, pasture and ag field damages, personal driveways, culverts and fencing. Didn't activate EAP because failure occurred quickly overnight. People were evacuated, numbers unknown. Assuming some wet basements. | L | RE | CD | Y | 35 ft | 257 ac-ft | 18 acres | 1956 | WI00403 | TR KNAPP CREEK | 43.7122 | -90.7524 | 0 | WIDNR | 1 day | Yes | WI DNR | |||||||
WEST FORK KICKAPOO 1 | WI | H | Non-failure | 08/28/2018 | Hydrologic/flooding | Erosion | WI00418-3333 | Deep erosional scarp developed along left groin, opposite side of auxiliary spillway | Yes | 0 | Unknown | Unknown | Unknown | Roads, Bridges | Significant town road, culvert, and bridge damages. Major streambank, pasture and ag field damages, personal driveways, culverts and fencing. Didn't activate EAP because failure occurred quickly overnight. People were evacuated, numbers unknown. Assuming some wet basements. | L | RE | CR | Y | 63 ft | 2345 ac-ft | 51 acres | 1969 | WI00418 | WEST FORK KICKAPOO | 43.6889 | -90.7987 | 2000 | WIDNR | 1 day | Yes | WI DNR | ||||||||
CARDINAL LAKE DAM | GA | L | Non-failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | GA00581-3343 | Flow through principal spillway displaced outlet end of pipe, creating hole in downstream slope. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Road over dam closed and temporary repairs done quickly. Lake drain then opened to keep lake low. | Auxiliary spillway was already in very poor condition. Program in process of reclassifying the dam. | P | RE | R | NR | 27 ft | 380 ac-ft | 34 acres | 1959 | GA00581 | KNOX BRANCH | 33.975 | -84.13 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | ||||||||
PENDLETON LAKE DAM | GA | H | Non-failure | 12/29/2018 | Hydrologic/flooding | Debris Clogging | Insufficient Spillway Capacity | Spillway Pipe Failure | GA05300-3344 | Amid rampant rains, riser clogged. Debris was cleared, but CMP pipe failed at downstream elbow. | No | Unknown | Unknown | Unknown | None | Unknown | Program required lake lowered 4' below NP and affected area taped off. Diesel pumps were employed. | Temporarily repaired. Permanent repair plans are currently under Program review. | P | RE | R | NR | 14 ft | 140 ac-ft | 13 acres | 1991 | GA05300 | FLAT CREEK | 33.4821 | -84.5683 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | ||||||
Graphic Packaging Sludge Drying Basin Dam | GA | L | Failure | 09/29/2019 | Unknown | Unknown | GA00000-3345 | Dam was built several months ago without plans. Facility wants to re-build. | No | 0 | Unknown | Unknown | Unknown | Unknown | Unknown | Facility had an engineer come out for cost estimate to repair and will have more come out. | P | RE | O | NR | 12 ft | 30 ac-ft | 1 acres | 2019 | GA00000 | 32.78 | -83.63 | 0 | Yes | GA Safe Dams Program | ||||||||||
CHEROKEE COUNTRY CLUB LAKE DAM # 2 MIDDLE LAKE | GA | H | Non-failure | 04/19/2019 | Hydrologic/flooding | Sinkhole | Insufficient Spillway Capacity | Spillway Pipe Failure | GA03845-3346 | Amid rampant rains, two sinkholes formed above spillway alignment on downstream slope. | Yes | Unknown | Unknown | Unknown | None | Unknown | Program required lake lowered 2' below NP and affected area taped off. 3" pumps were employed. | Temporarily repaired. Permanent repair plans are currently under Program review. | P | RE | R | Y | 33 ft | 34 ac-ft | 2 acres | 1966 | GA03845 | UNKNOWN | 33.9951 | -84.3639 | 0 | GA-SAFE DAMS PROGRAM | Yes | GA Safe Dams Program | ||||||
HEADS CREEK RESERVOIR DAM | GA | H | Non-failure | 04/19/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | High Reservoir Level | GA01465-3347 | Scour damage due to major rainfall and spillway's left sidewall being overtopped in high flows. | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Consultant was hired fairly quickly and called the Program. Consultant inspected the dam on 5/1/19. | Program approved temporary plans. Construction completed in 4/20. | L | RE | S | Y | 31 ft | 7588 ac-ft | 300 acres | 1963 | GA01465 | HEAD'S CREEK | 33.2804 | -84.3744 | 1983 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | |||||||
LAKE ROCKDALE DAM | GA | H | Non-failure | 04/30/2019 | Hydrologic/flooding | Erosion | GA01282-3348 | Spillway system overwhelmed from heavy rains. Excess flow created erosion along spillway pipe. | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown | Program visited site. | P | RE | R | N | 33 ft | 1579 ac-ft | 75 acres | 1961 | GA01282 | UNKNOWN | 33.7042 | -83.9797 | 0 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | |||||||||
JORDAN POND DAM | NY | S | Non-failure | 01/01/2019 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | Settlement | NY13562-3163 | Increased seepage at the toe and a depression at the crest were observed. | No | 0 | 0 | 0 | 0 | Water levels at the dam as well as a downstream dam were lowered, and the seepage stopped. | The piping appears to have been related to an abanonded pipe in the dam. Report expected from owner's consultant. | P | CNRE | R | Y | 10 ft | 37 ac-ft | 11 acres | 1986 | NY13562 | CLOVE CREEK | 41.4511 | -73.8672 | 0 | NYS DEC | 4 weeks | NY DEC | |||||||
LAKE NANCY DAM | NY | L | Non-failure | 09/06/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | NY01065-3164 | Increased seepage from earth (possibly formerly timber crib) dam. Whirlpool in reservoir. Reservoir was lowered and seepage was sealed with grouting program | No | Attempt to seal whirlpool were unsuccesful. Lake was drained with pumps and embankment voids were filled with grout | L | RE | R | NR | 17 ft | 1093 ac-ft | 62 acres | 1977 | NY01065 | LADMAN CREEK | 43.1141 | -74.0097 | 0 | NYS DEC | 1 week | No | NY DEC | ||||||||||||
HOOSAC SCHOOL DAM | NY | S | Non-failure | 07/01/2017 | Hydrologic/flooding | Overtopping | Erosion | NY01360-3165 | Short, Intense rainfall event caused overtopping of dam and erosion of downstream slope | No | P | RE | R | Y | 25 ft | 103 ac-ft | 10 acres | 1950 | NY01360 | PINE VALLEY BROOK | 42.8557 | -73.3452 | 0 | NYS DEC | 1 week | No | NY DEC | |||||||||||||
PUTNAM LAKE DAM | NY | H | Non-failure | 09/08/2017 | Deterioration Or Poor Condition | Erosion | Spillway Pipe Failure | NY00090-3167 | Galvanized metal pipe that comprised downstream end of LLO was in a severely deteriorated condition. When LLO was activated, seepage out of the pipe eroded the downstream slope of the embankment. Area was excavated and a new pipe was installed downstream of the gate chamber Embankment was backfilled. | L | RE | PR | Y | 24 ft | 2510 ac-ft | 232 acres | 1931 | NY00090 | BOG BROOK | 41.4575 | -73.5433 | 0 | NYS DEC | 2 weeks | No | NY DEC | ||||||||||||||
BELMEAR LAKE | CO | S | Non-failure | 05/01/2017 | Deterioration Or Poor Condition | Piping | Sinkhole | CO02059-3168 | 5-foot diamter sinkhole over outlet works. Owner responded and used a siphon to drain the reservoir before it progressed to failure | No | Reservoir was given zero storage restriction. The outlet works were rehabilitated and reservoir has returned to full storage February 2019. | P | RE | IP | Y | 30 ft | 647 ac-ft | 30 acres | 1912 | CO02059 | DISAPPOINTMENT CREEK-TR | 37.8136 | -108.353 | 0 | DWR | No | CO DWR | |||||||||||||
JEFFERSON LAKE | CO | H | Non-failure | 06/22/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | CO00363-3169 | Owners staff observed a small whirlpool in the reservoir at the reservoir edge adjacent to the dam. Possible contact erosion PFM. Resulted in an emergecy field investigation and a reservoir storage restriction. | Yes | restrictred water level and observation | Resulted in an emergency field investigation and a reservoir storage restriction. Owner is working with Engineer to develop a repair plan | L | RE | S | Y | 33 ft | 3417 ac-ft | 126 acres | 1951 | CO00363 | JEFFERSON CREEK | 39.4506 | -105.863 | 0 | DWR | 14:20 | 2 days | Yes | CO DWR | ||||||||||
BRISTOL HEAD #1 | CO | L | Non-failure | 07/04/2017 | Deterioration Or Poor Condition | Piping | Sinkhole | CO00984-3170 | Small seep pond below Santa Maria Reservoir with a relatively large outlet conduit. Conduit failed just behind the upstream valve and drained most of the reservoir through the conduit uncontrollably. | No | Roads | work with owner to remove valve and allow reservoir to drain full and stream to run through the conduit until such time as the outlet works can be removed and replaced | Currently has zero storage restriction | P | RE | I | NR | 15 ft | 200 ac-ft | 16 acres | 1921 | CO00984 | SEEPAGE CREEK | 37.75 | -107.04 | 0 | DWR | No | CO DWR | |||||||||||
ALBERTA PARK | CO | H | Non-failure | 07/18/2017 | Manmade Action | Other | CO00762-3171 | While drilling in the embankment with hollow stem augers an apparent connection was made with a pervious seam and elevated pressures associated with the drilling process caused a surge of muddy seepage and an increase in volume of seepage from a know exit point. | Yes | Drill was stopped, the hole was grouted and the situation returned to "normal". Reservoir was lowered and an emergency seepage collection system and stability butress were constructed. | developed a plan to install a filter and butress | S | RE | FR | Y | 32 ft | 812 ac-ft | 39 acres | 1953 | CO00762 | PASS CREEK-TR | 37.4703 | -106.766 | 0 | DWR | 2 days | Yes | CO DWR | ||||||||||||
QUEEN | CO | S | Non-failure | 07/20/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | CO02026-3172 | Owner observed excessive seepage from outlet works headwall. Lowered reservoir and found 2-ft diameter piping hole in embankment. Owner backfilled hole and called an engineer who reported the incident to a dam safety engineer. reservoir restriction ensued | No | once regulators notified a storage restriction was implemented | Restriction still being enforced. Owner working with engineer to develop a repair plan. Likely including a cut and cover outlet replacement in spring 2019 | P | RE | FIR | Y | 25 ft | 32690 ac-ft | 1930 acres | 1896 | CO02026 | ARKANSAS RIVER-OS | 38.2717 | -102.636 | 0 | DWR | Yes | CO DWR | ||||||||||||
WILLOW CREEK | CO | H | Non-failure | 08/19/2017 | Manmade Action | Other | CO01036-3173 | During construction the downstream dewatering pumps quit due to a generator malfunction. Phreatic surface rose and a crack appeared in a construction cut slope on the downstream face. | Yes | Quickly installed a temporary buttress, got pumps running and initiated a more diligent monitoring plan for the pumps, generators and slopes. | Initiated the construction EAP at an unusual condition level. EAP worked well and brought parties together. | S | RE | R | Y | 100 ft | 36900 ac-ft | 1011 acres | 1966 | CO01036 | WILLOW CREEK | 40.7917 | -106.947 | 0 | DWR | Yes | ||||||||||||||
SILVER LAKE DAM | MO | H | Non-failure | 05/01/2017 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | MO31851-3174 | Elevated seepage rate through dam caused erosion to occur on the face of the dam. | No | 0 | 0 | 0 | None | None | Owners reduced lake level with siphons until repair was made. | P | RE | T | Y | 80 ft | 4900 ac-ft | 118 acres | 1981 | MO31851 | DITCH CREEK | 38.1893 | -90.7567 | 0 | DAM AND RESERVOIR SAFETY PROG | 2 weeks | No | MO DNR | |||||||
FINGER LAKES DAM SOUTH | MO | H | Non-failure | 01/05/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | MO12212-3175 | No | 0 | 0 | 0 | None | None | Owners reduced lake level with siphons until repair was made. | S | RE | R | Y | 44 ft | 585 ac-ft | 79 acres | 0 | MO12212 | ROCKY FORK CK. | 39.0871 | -92.3161 | 0 | DAM AND RESERVOIR SAFETY PROG | 2 weeks | No | MO DNR | |||||||||
LOWER ALFORD LAKE | PA | H | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00053-3206 | OVERTOPPING OF STONE MASONRY DAM RESULTED IN EROSION AT THE TOE. | No | 0 | 0 | AN EMERGENCY PERMIT WAS ISSUED FOR THE REPAIRS, WHICH WERE TO BEGIN IN SEPTEMBER 2006. | P | MSREST | R | Y | 14 ft | 315 ac-ft | 34 acres | 1919 | PA00053 | MARTINS CREEK | 41.8069 | -75.7742 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 3 DAYS | PA Dam Safety | |||||||||||
LOWER ALFORD LAKE | PA | H | Non-failure | 03/11/2011 | Seepage/internal Erosion | Excessive/increased Seepage | PA00053-3207 | CALL FROM A CONCERNED CITIZEN REGARDING A POTENTIAL PROBLEM. SEEPAGE AND SPILLWAY FLOW OBSERVED. | No | 0 | 0 | DEP INSPECTOR VISIT TO DAM ON THE NEXT MORNING CONFIRMED NO CHANGE IN PRE-EXISTING SEEPAGE. | THIS INCIDENT WAS NOT CRITICAL, BUT DAM NEEDS REPAIRS AND POSES A THREAT TO DOWNSTREAM HOMES. | P | MSREST | R | Y | 14 ft | 315 ac-ft | 34 acres | 1919 | PA00053 | MARTINS CREEK | 41.8069 | -75.7742 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | |||||||||||
MARTINS CREEK (PA-467) | PA | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | Erosion | PA00054-3224 | OVERTOPPING IN TROPICAL STORM DAMAGED RIGHT SIDE OF SPILLWAY, TOP OF DAM, AND DOWNSTREAM SLOPE. | TS Lee | Yes | 0 | 83 | RIGHT SIDE OF SPILLWAY REPAIRED WITH CONCRETE WALL AND SPLASH PAD AS PER 2013 INSPECTION. | DAM OVERTOPPED BY 4 TO 6 INCHES. EROSION GULLY ON DOWNSTREAM SLOPE WAS 6 FT WIDE AND 4 FT DEEP. | L | RE | C | Y | 52 ft | 180 ac-ft | 1 acres | 1967 | PA00054 | TR MARTINS CREEK | 41.7647 | -75.7467 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | |||||||||
BIG ELK LAKE | PA | S | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00056-3204 | OVERTOPPING OF DAM DURING EXTREME RAINFALL CAUSED "SCOUR OR SINKHOLE" IN TOP OF DAM | Yes | 0 | 15 | 6 | 0 | AN EMERGENCY PERMIT WAS ISSUED TO REPAIR THE DAM. | EAP INDICATES 15 PEOPLE AT RISK FROM FAILURE. EAP WAS IMPLEMENTED WITH EVACULATIONS. | P | MSREST | RS | Y | 12 ft | 740 ac-ft | 79 acres | 1860 | PA00056 | ELK LAKE STREAM | 41.7528 | -75.9547 | 2006 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 3 DAYS | PA Dam Safety | ||||||||
BIG ELK LAKE | PA | S | Non-failure | 03/28/2011 | Seepage/internal Erosion | Excessive/increased Seepage | PA00056-3205 | PA DAM SAFETY INFORMED OF CLEAR SEEPAGE EXITING ON LEFT SIDE OF A SPILLWAY. | No | 0 | 0 | 0 | DEPRESSION AREA ISOLATED BY COFFER DAM AND BACKFILLED WITH CONCRETE AS A TEMPORARY REPAIR. | "NOT AN IMMINENT EMERGENCY SITUATION" | P | MSREST | RS | Y | 12 ft | 740 ac-ft | 79 acres | 1860 | PA00056 | ELK LAKE STREAM | 41.7528 | -75.9547 | 2006 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 2 DAYS | PA Dam Safety | ||||||||||
SIX MILE - MAIN | CO | H | Non-failure | 09/14/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00250-2068 | uncontrolled inflows, spillway erosion - Colorado Flooding of 9-13 | P | RE | IR | Y | 52 ft | 2186 ac-ft | 124 acres | 1892 | CO00250 | LITTLE DRY CREEK-TR | 40.0675 | -105.218 | 0 | DWR | ||||||||||||||||||
VIELE LAKE | CO | L | Non-failure | 09/14/2013 | Hydrologic/flooding | High Reservoir Level | CO00257-2069 | spillway flows (report of dam failing) - Colorado Flooding of 9-13 | L | RE | RFC | NR | 24 ft | 240 ac-ft | 20 acres | 1967 | CO00257 | SOUTH BOULDER CREEK-TR | 39.9733 | -105.249 | 0 | DWR | ||||||||||||||||||
GAYNOR | CO | S | Non-failure | 09/18/2013 | Seepage/internal Erosion | Piping | CO00284-2065 | Reported by owner, piping around outlet works. Colorado Flooding of 9-13 | L | RE | IR | Y | 10 ft | 840 ac-ft | 70 acres | 0 | CO00284 | BOULDER CREEK-OS | 40.1225 | -105.11 | 1960 | DWR | ||||||||||||||||||
GAYNOR | CO | S | Non-failure | 11/28/2012 | Seepage/internal Erosion | Excessive/increased Seepage | CO00284-2089 | Previously unobserved seepage form beneath outlet structure. Sealed temporrily and heightened survelience until repairs are made. | L | RE | IR | Y | 10 ft | 840 ac-ft | 70 acres | 0 | CO00284 | BOULDER CREEK-OS | 40.1225 | -105.11 | 1960 | DWR | ||||||||||||||||||
MONTGOMERY | CO | H | Non-failure | 06/05/2013 | Seepage/internal Erosion | Excessive/increased Seepage | CO00372-2092 | New seepage (near 1 cfs) at toe of rockfill dam. Increased monitoring, performed failure modes analysis. It was hypothesized that it was melting ice from within the rockfill of this high altitude dam after an abnormally wet and cold spring. | L | ER | S | Y | 112 ft | 6100 ac-ft | 95 acres | 1956 | CO00372 | MIDDLE FORK S. PLATTE | 39.3533 | -106.074 | 0 | DWR | ||||||||||||||||||
MANITOU | CO | H | Non-failure | 09/18/2013 | Seepage/internal Erosion | Excessive/increased Seepage | CO00426-2071 | new seepage reported - Colorado Flooding of 9-13 | L | RE | S | Y | 124 ft | 1100 ac-ft | 27 acres | 1971 | CO00426 | NORTH FORK FRENCH CREEK | 38.8767 | -104.994 | 1998 | DWR | ||||||||||||||||||
MODEL | CO | L | Failure | 08/08/2013 | Seepage/internal Erosion | Piping | CO00542-2091 | Embankment failure due to erosion piping. An 8-ft-square erosion pipe formed in the embankment, draining the reservoir but not fully breaching the dam. | The failure went unnoticed due to it's remote location and other incidents happening at about the same time. The date of the actual failure is estimated. | RE | IP | NR | 39 ft | 29943 ac-ft | 420 acres | 1921 | CO00542 | BLACK HILLS ARROYO-TR | 37.3283 | -104.389 | 0 | DWR | ||||||||||||||||||
OROVILLE | CA | H | Non-failure | 02/07/2017 | Deterioration Or Poor Condition | Erosion | CA00035-3097 | Service and emergency spillway failures | Yes | 188000 | Unknown | None | Unknown | Long-term systemic failure of the CA DWR, regulatory, and general industry practices to recognize and address inherent spillway design and construction weaknesses, poor bedrock quality, and deteriorated service spillway chute conditions. Reconstruction of the flood constrol spillway completed November 1, 2018. Incident Description from Independent Forensic Team Report, Oroville Dam Spillway Incident, dated January 5, 2018 | S | ERRE | CHIRS | Y | 770 ft | 3540000 ac-ft | 15800 acres | 1968 | CA00035 | FEATHER RIVER | 39.5388 | -121.485 | 0 | DWR, SAFETY OF DAMS | 2 days - Evacation order initiated February 12, 2017 and the order lifted February 14, 2017 | Yes | ||||||||||
TWENTY-THREE MILE DAM | NV | L | Failure | 02/08/2017 | Hydrologic/flooding | Overtopping | Reservoir Overfilling | NV00110-3099 | rain on snow event that cause widespread flooding of a 680 square mile watershed. Flood overwhelmed the reservoir and spillway. Reservoir was also iced over prior to flood event. | No | 0 | Unknown | Unknown | Unknown | Roads, Railroads | Unknown | 8700 ac-ft | currently under litigation | P | RE | CIP | NR | 47 ft | 8700 ac-ft | 100 acres | 0 | NV00110 | THOUSAND SPRINGS CREEK | 41.53 | -114.363 | 0 | NEVADA DWR | Yes | |||||||
CASSVILLE DAM | NJ | S | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00606-2864 | overtopped, embankment failure | Irene | No | 0 | Roads | 0 ac-ft | County Road (embankment) closed | P | PGRE | R | Y | 6 ft | 0 ac-ft | 14 acres | 0 | NJ00606 | SMALL BRANCH TOMS RIVER | 40.1107 | -74.3889 | 0 | NJDEP | NJ DEP | |||||||||||
LAKE DOWNS DAM | TX | H | Non-failure | 08/29/2017 | Hydrologic/flooding | Spillway Deficiency | TX00038-2866 | SPILLWAY DAMAGE | Harvey | P | RE | R | N | 26 ft | 65 ac-ft | 3 acres | 1963 | TX00038 | TR-BIG SANDY CREEK | 30.6944 | -94.74 | 1983 | TCEQ | TX CEQ | ||||||||||||||||
LAKE DOGWOOD DAM | TX | L | Non-failure | 05/30/2016 | Hydrologic/flooding | Spillway Deficiency | TX00169-2868 | SEVERE SPILLWAY DAMAGE | P | RE | R | NR | 22 ft | 664 ac-ft | 60 acres | 1965 | TX00169 | TR-HURRICANE CREEK | 31.8441 | -95.4949 | 0 | TCEQ | ||||||||||||||||||
VAN LAKE DAM | TX | L | Non-failure | 12/29/2015 | Structural Stability | Sliding | TX00304-2869 | DOWNSTREAM SLOPE SLIDE | L | RE | S | NR | 36 ft | 2050 ac-ft | 0 acres | 1949 | TX00304 | TR-VILLAGE CREEK | 32.5483 | -95.5883 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 66 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00432-2870 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 24 ft | 284 ac-ft | 12 acres | 1964 | TX00432 | TR-WHITE ROCK CREEK | 31.9827 | -96.8903 | 0 | TCEQ | ||||||||||||||||||
LAKE REDSTONE | WI | H | Non-failure | 12/07/2015 | Structural Stability | Cracking | WI00707-2853 | Rec'd call from local resident about fracture in bedrock at vertical face at principal spillway (see photos). Appears that boulder could break off face. No immediate concerns to dam noted. Recommended Sauk Cnty continue to monitor and will need to reinspect if/when boulder breaks off. See follow-up inspection report. NRCS did conductivity resistance testing in channel from lake to spillway (still awaiting results). | L | PGRE | R | Y | 50 ft | 15200 ac-ft | 612 acres | 1967 | WI00707 | BIG CREEK | 43.5867 | -90.0871 | 0 | WIDNR | WI DNR | |||||||||||||||||
MULLET CREEK | WI | L | Non-failure | 05/28/2015 | Seepage/internal Erosion | Sinkhole | WI00933-2854 | seepage noted, sinkhole formed | seepage noted, sinkhole formed, ordered drawn down and removed until reconstructed. | S | RE | F | N | 9 ft | 1250 ac-ft | 300 acres | 1971 | WI00933 | MULLET | 43.7582 | -88.176 | 0 | WIDNR | WI DNR | ||||||||||||||||
MONONAME 352 | MO | L | Non-failure | 03/15/2016 | Structural Stability | Sliding | MO30528-2855 | land slide on downstream face of dam reported | P | RE | S | NR | 26 ft | 125 ac-ft | 9 acres | 1970 | MO30528 | TR JAMES BRANCH | 37.7258 | -91.2425 | 0 | NONE | MO DNR | |||||||||||||||||
MIDDLEBROOK DEVELOP. LAKE DAM | MO | L | Non-failure | 12/29/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MO30163-2856 | principal spillway pipe partially failed (CMP 20 approximately 20 yrs old) | No | 0 | P | RE | R | N | 49 ft | 270 ac-ft | 18 acres | 1971 | MO30163 | TR-EAST FORK BLACK RIVER | 37.5711 | -90.8693 | 2001 | DAM AND RESERVOIR SAFETY PROG | ||||||||||||||||
DIETRICH RD DAM | MO | Failure | 07/20/2015 | Seepage/internal Erosion | Piping | MO00000-2857 | piping occurred around principle spillway eventually eroding a section of the crest of dam above the pipe. | county park closed temporarily | 0 ft | 0 ac-ft | 0 acres | 0 | MO00000 | 38.8492 | 90.9522 | 0 | None | |||||||||||||||||||||||
ELEVA ROLLER MILL | WI | H | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI10532-2858 | Heavy rain overtopped the dam resulting in scour of the d/s embankment | Heavy rain overtopped much of the earthen embankments of this dam and a large scour area developed on the right embankment, downstream side resulting in a loss of cross-sectional area of the dam. | PGRE | RS | N | 14 ft | 40 ac-ft | 5 acres | 1877 | WI10532 | BIG CREEK | 44.5769 | -91.4683 | 0 | WIDNR | WI DNR | |||||||||||||||||
MARY A. BOHNKE | WY | L | Failure | 05/23/2015 | Hydrologic/flooding | Spillway Pipe Failure | Overtopping | Piping | WY00170-2859 | Heavy precipitation and an eroded CMP outlet caused piping overtopping | No | 0 | 0 | 0 | 0 | None | 106 ac-ft | Heavy precipitation (full reservoir) along with an eroded CMP outlet caused piping and eventual overtopping of the dam. | P | RE | I | NR | 40 ft | 106 ac-ft | 9 acres | 1954 | WY00170 | PARADISE CREEK | 42.0217 | -105.24 | 0 | SEO | Wyoming SEO | |||||||
LAKE ABANAKEE DAM | NY | L | Non-failure | 12/20/2016 | Hydrologic/flooding | Overtopping | NY00152-2860 | high flows resulted in overtopping of sheet pile cofferdam. Piling became unstable and tipped downstream | A rehabilitation project was in progress, and part of the construction area was protected by a sheet pile cofferdam. High flows, purportedly enhanced by increased releases from an upstream dam, associated with spring runoff caused the cofferdam to become unstable, tip downstream, and be overtopped. | L | R | N | 15 ft | 6110 ac-ft | 360 acres | 1950 | NY00152 | INDIAN RIVER | 43.7983 | -74.23 | 0 | NYS DEC | NY DEP | |||||||||||||||||
LAKE DELHI DAM | IA | S | Failure | 06/14/2015 | Unknown | Under Investigation | IA01297-2610 | Appeared to have been seepage between the concrete wall and the sheetpiling of the construction cofferdam | P | PG | R | NR | 55 ft | 9920 ac-ft | 440 acres | 1922 | IA01297 | MAQUOKETA RIVER | 42.4081 | -91.3454 | 0 | IOWA DNR | Y | |||||||||||||||||
TRENTON LOWER LAKE DAM | MO | H | Non-failure | 07/22/2015 | Deterioration Or Poor Condition | Animal Activity | Excessive/increased Seepage | MO10366-2611 | Seepage due to animal burrows | No | 0 | 0 | 0 | 0 | In about 3 days the seepage had gone from no flow to 5 gpm to 20 gpm. A cut-off trench filled with clay/bentonite worked completely shutting off the seepage. | P | RE | R | NR | 20 ft | 1314 ac-ft | 105 acres | 1963 | MO10366 | TR MUDDY CREEK | 40.0798 | -93.5887 | 0 | NONE | No | MO DNR | Y | ||||||||
BASTROP STATE PARK DAM | TX | L | Failure | 05/23/2015 | Hydrologic/flooding | Overtopping | TX02717-2612 | Severe storms caused the dam to overtop and fail | 0 | 0 | 0 | 0 | rainfall event began around 4 pm on May 25, dropping about 4 to 5 inches of rain in Travis and Bastrop Counties in about 2 hours | S | RE | R | NR | 18 ft | 110 ac-ft | 0 acres | 1913 | TX02717 | TR-COPPERAS CREEK | 30.1124 | -97.277 | 1935 | TCEQ | Yes | GEER Report | Y | ||||||||||
EAGLE CREEK RESERVOIR DAM | IN | H | Non-failure | 07/14/2015 | Hydrologic/flooding | High Reservoir Level | IN00084-2613 | Severe storms led to rising lake levels and gate opening | Yes | L | CN | C | Y | 92 ft | 110000 ac-ft | 1350 acres | 1967 | IN00084 | EAGLE CREEK | 39.825 | -86.3075 | 0 | IDNR | IN DNR | Y | |||||||||||||||
FOREST LAKE DAM | IN | H | Non-failure | 07/14/2015 | Hydrologic/flooding | Spillway Deficiency | IN00747-2614 | Heavy rains over 24 hours caused damage to the principal spillway and the dam was in a slow state of progressive failure | One of the owners hired an engineer to begin directing emergency actions and a contractor was hired to begin lowering the emergency spillway about 3 feet so that no water could flow through the old damaged principal spillway | P | RE | N | 19 ft | 55 ac-ft | 5 acres | 1965 | IN00747 | UNNAMED TRIBUTARY WHITE LICK CREEK | 39.755 | -86.4083 | 0 | IDNR | No | IN DNR | Y | |||||||||||||||
SCNONAME 02027 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00312-2615 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 17 ft | 308 ac-ft | 35 acres | 1955 | SC00312 | HOLLOW CREEK | 33.6467 | -81.2117 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 02019 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00305-2616 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 85 ac-ft | 12 acres | 1945 | SC00305 | GOODLAND CREEK | 33.595 | -81.2867 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
ABLE/COBETT POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00370-2617 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 58 ac-ft | 11 acres | 1955 | SC00370 | LITTLE HOLLOW CREEK | 33.6217 | -81.2333 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 14001 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00718-2618 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 15 ft | 263 ac-ft | 36 acres | 1900 | SC00718 | MILL BRANCH | 33.8133 | -80.09 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 16006 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00612-2620 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 20 ft | 357 ac-ft | 28 acres | 1957 | SC00612 | SEED BRANCH | 34.42 | -79.9417 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
COOK POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01488-2621 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 13 ft | 53 ac-ft | 7 acres | 1963 | SC01488 | TR-KELLY CREEK | 34.1517 | -80.775 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
LEXINGTON MILL POND DAM | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00143-2622 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 440 ac-ft | 28 acres | 1900 | SC00143 | TWELVEMILE CREEK | 33.9767 | -81.23 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
GIBSON'S POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00169-2623 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | L | RE | R | Y | 15 ft | 240 ac-ft | 28 acres | 1900 | SC00169 | TWELVE MILE CREEK | 33.9683 | -81.2433 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 32008 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00148-2624 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | L | RE | R | Y | 14 ft | 359 ac-ft | 64 acres | 1900 | SC00148 | TWELVE MILE CREEK | 33.9583 | -81.26 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
WALDEN PLACE POND | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00073-2636 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 25 ft | 280 ac-ft | 8 acres | 1950 | SC00073 | SPEARS CK | 34.1167 | -80.8467 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
PINEWOOD LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00055-2637 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 14 ft | 263 ac-ft | 35 acres | 1900 | SC00055 | MILL CK | 33.9433 | -80.91 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
COVINGTONS LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00079-2638 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 76 ac-ft | 10 acres | 1950 | SC00079 | ROBERTS BRANCH | 34.135 | -80.975 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
MURRAY POND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00051-2639 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 1310 ac-ft | 148 acres | 1930 | SC00051 | COLONELS CK | 33.985 | -80.7083 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
WILSON MILLPOND DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00059-2640 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 14 ft | 134 ac-ft | 20 acres | 1960 | SC00059 | JUMPING RUN CK | 34 | -80.7417 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
WESTONS POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00056-2641 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 13 ft | 324 ac-ft | 40 acres | 1932 | SC00056 | TOMS CREEK | 33.8833 | -80.7683 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
DUFFIES POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00064-2642 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 720 ac-ft | 120 acres | 1967 | SC00064 | CEDAR CREEK | 33.8417 | -80.8517 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
ELLERBEES MILLPOND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01404-2643 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 7 ft | 151 ac-ft | 42 acres | 1830 | SC01404 | RAFTING CREEK | 34.0683 | -80.5317 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 31009 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00498-2644 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | I | Y | 15 ft | 312 ac-ft | 24 acres | 1930 | SC00498 | TURKEY CREEK | 0 | 0 | 1998 | SCDHEC | SC DHEC Website | |||||||||||||||||
FINCH'S MILLPOND | NC | S | Failure | 11/28/2015 | Deterioration Or Poor Condition | Erosion | NC00891-2645 | Erosion over the years led to collapse of a portion of the dam | Co. EMA said poor maintenance over the years led to erosion to the point where a portion of the dam collapsed. The County EMA Director indicated pond has drained into the creek below | P | RE | R | N | 15 ft | 469 ac-ft | 0 acres | 1924 | NC00891 | BLOOMERY SWAMP | 35.763 | -77.997 | 0 | NCDENR | Local News Source The Wilson Times | Y | |||||||||||||||
SCNONAME 38070 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00447-2626 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 87 ac-ft | 12 acres | 1960 | SC00447 | SALEM CREEK | 33.6367 | -81.16 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 38066 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00444-2627 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 13 ft | 182 ac-ft | 25 acres | 1960 | SC00444 | TAMPA CREEK | 33.5333 | -81.2367 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 38036 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00419-2628 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 181 ac-ft | 32 acres | 1960 | SC00419 | BROWNING BRANCH | 33.5217 | -80.515 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 40005 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00050-2629 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 960 ac-ft | 68 acres | 1938 | SC00050 | JACKSON CREEK | 34.0483 | -80.9583 | 1988 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 40027 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00070-2630 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 297 ac-ft | 25 acres | 1955 | SC00070 | GILLS CK | 34.04 | -80.9517 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 40026 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00069-2631 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 20 ft | 230 ac-ft | 21 acres | 1900 | SC00069 | GILLS CREEK | 34.0367 | -80.955 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
WILDEWOOD POND #2 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00100-2632 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 24 ft | 281 ac-ft | 27 acres | 1963 | SC00100 | TR-JACKSON CK | 34.0967 | -80.8867 | 2010 | SCDHEC | SC DHEC Website | |||||||||||||||||
SCNONAME 40002 | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00047-2633 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 10 ft | 260 ac-ft | 32 acres | 1900 | SC00047 | CRANE CREEK | 34.115 | -80.9833 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
ULMERS POND DAM | SC | H | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00065-2634 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 17 ft | 96 ac-ft | 17 acres | 1940 | SC00065 | TR-MILL CK | 33.9683 | -80.8967 | 1994 | SCDHEC | SC DHEC Website | |||||||||||||||||
SUNVIEW LAKE DAM | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00067-2635 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 11 ft | 234 ac-ft | 45 acres | 1949 | SC00067 | MILL CK | 33.9667 | -80.9117 | 0 | SCDHEC | SC DHEC Website | |||||||||||||||||
CRESCENT LAKE DAM | FL | L | Failure | 04/29/2014 | Hydrologic/flooding | Overtopping | FL00058-2650 | 20” or more of rain causing the Dam to overtop. An area approximately 200’ long on the west end of the Dam was totally breached causing most of the water to drain from the lake. | The breached Dam deposited sediment and debris into the adjacent wetlands to the south of the Dam. The water overtopped Michigan Avenue to the south of the Dam. | P | RE | RS | N | 16 ft | 396 ac-ft | 0 acres | 1960 | FL00058 | BAYOU MARCUS | 30.46 | -87.27 | 0 | FL DEP | Y | ||||||||||||||||
LONG LAKE DAM | AK | L | Non-failure | 09/11/2015 | Hydrologic/flooding | Gate/valve Failure | AK00044-2651 | Heavy rain event (7.73 in 24 hrs & 2.8 in earlier in the week) resulted in a rainfall induced flood event during which a section of the wooden flashboards failed. | 0 | 0 | 0 | 0 | “The flashboards include a 20ft.x1ft. notch, near the south end of the dam, that will pass a nominal flow of 75 cfs. All additional flows will overtop the flashboards along the length of the dam. Based on the 1999 stability analysis, the flashboards are expected to fail at flood flows above 4500 cfs. This is a storm with a return interval of 10 years. The dam is located in a very remote area and there is no development downstream of the dam. | U | CNPG | H | NR | 30 ft | 147000 ac-ft | 1375 acres | 1973 | AK00044 | LONG RIVER | 58.1667 | -133.733 | 0 | AKDNR | Yes | AK DNR | Y | ||||||||||
SHREVE LAKE DAM | OH | H | Non-failure | 09/01/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00436-2652 | Sink hole discovered on downstream slope directly over the principal spillway pipe. Bad joint. Lake drained until repairs can be made. | No | 0 | 0 | 0 | 0 | S | RE | R | Y | 25 ft | 855 ac-ft | 59 acres | 1962 | OH00436 | TRIBUTARY TO SHREVE CREEK | 40.68 | -82.04 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | |||||||||||
FINDLAY UPGROUND RESERVOIR NO. 2 | OH | H | Non-failure | 07/01/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH00782-2653 | Wet area noted at the downstream toe. Leak in the resevoir fill line. | No | 0 | 0 | 0 | 0 | L | RE | S | Y | 32 ft | 19478 ac-ft | 624 acres | 1971 | OH00782 | BLANCHARD RIVER - OFFSTREAM | 41.01 | -83.57 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | ||||||||||||
LAKE BRUNSWICK DAM | OH | H | Non-failure | 05/01/2014 | Hydrologic/flooding | Overtopping | OH00623-2654 | Overtopping event for an RCC covered dam. | No | 0 | 0 | 0 | 0 | L | RE | R | Y | 16 ft | 133 ac-ft | 13 acres | 1930 | OH00623 | PLUM CREEK | 41.23 | -81.81 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | ||||||||||||
CAROL-JANE LAKE DAM | OH | S | Non-failure | 05/01/2014 | Hydrologic/flooding | Overtopping | Spillway Erosion/head Cutting | OH01062-2655 | Two minor overtopping events for the dam. Severe erosion in the emergency spillway. | No | 0 | 0 | 0 | 0 | P | RE | R | N | 25 ft | 41 ac-ft | 4 acres | 1940 | OH01062 | TRIBUTARY TO WEST BRANCH ROCKY RIVER | 41.19 | -81.83 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | |||||||||||
LAKE HAVEN DAM | OH | L | Non-failure | 02/01/2014 | Deterioration Or Poor Condition | Spillway Riser Failure | OH00115-2656 | Principal spillway riser failed. Currently at lowered pool. | No | 0 | 0 | 0 | 0 | P | RE | R | N | 22 ft | 113 ac-ft | 13 acres | 1960 | OH00115 | TRIBUTARY TO LAKE ERIE | 41.42 | -82.29 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | ||||||||||||
SOUTH MOUND CREEK POOL | MN | L | Failure | 06/14/2014 | Hydrologic/flooding | Overtopping | MN00111-2647 | Flood overtopped dam and right embankment (emergency spillway) failed. Wooden dock floated loose and partially blocked principal spillway. | No | 0 | 0 | 0 | 1 | Bridges | DNR owed Dam. Operators notified DNR Dam Safety quickly. | 200 acre-feet ac-ft | Grouted riprap on emergency spillway. Dam also failed in 1938. Downstream home was flooded but may have flooded without dam failure. Two downstream farmers claim dam breach damaged them. | S | PG | R | NR | 24 ft | 235 ac-ft | 19 acres | 1940 | MN00111 | MOUND CREEK | 43.7145 | -96.1779 | 1940 | MNDNR WATERS | Between 9 pm and midnight | <12 hours | Yes | State park staff; MN DNR Dam Safety files. | |||||
INLAND STEEL T | MN | S | Failure | 04/07/2014 | Hydrologic/flooding | Overtopping | MN00670-2648 | Tailings basin decant water could not flow back to reclaim pond due to ice blockage in decant diversion ditch. Overtopped and failed. | No | 0 | 0 | 0 | 0 | None | 114,565 cubic feet of material; amount of water unknown ac-ft | P | RE | ST | NR | 55 ft | 14500 ac-ft | 1800 acres | 1976 | MN00670 | WUORI CREEK-CLOSED SYSTEM | 47.6025 | -92.4607 | 0 | MNDNR WATERS | <95 hours | Yes | Owner; MN DNR Dam Safety files. | ||||||||
HIGH ISLAND CREEK | MN | L | Failure | 06/29/2014 | Hydrologic/flooding | Overtopping | MN00819-2649 | Large rainfall washed out right earthen embankment. Earthen abutment lower than design. | No | 0 | 0 | 0 | 0 | None | None | Run-of-river dam. Dam was removed later. | S | PG | CO | NR | 9 ft | 50 ac-ft | 0 acres | 1958 | MN00819 | HIGH ISLAND CREEK | 44.5756 | -93.9924 | 0 | MNDNR WATERS | <12 hours | No | Citizen; DNR Fisheries staff; MN DNR Dam Safety files. | |||||||
POND LICK LAKE DAM | OH | H | Non-failure | 04/01/2014 | Hydrologic/flooding | High Reservoir Level | OH02385-2657 | Dam came within a foot of overtopping during construction of repairs. | No | 0 | 0 | 0 | 0 | Downstream residents were notified of the situation | S | RE | R | Y | 22 ft | 96 ac-ft | 4 acres | 1938 | OH02385 | POND LICK RUN | 38.69 | -83.17 | 0 | DEPARTMENT OF NATURAL RESOURCES | OH DNR | |||||||||||
WHEATON BRANCH STORM WATER MANAGEMENT | MD | H | Non-failure | 08/12/2014 | Hydrologic/flooding | High Reservoir Level | MD00127-2658 | Large rain even | Yes | 0 | 0 | L | RE | C | Y | 27 ft | 196 ac-ft | 3 acres | 1979 | MD00127 | TR-SLIGO CREEK | 39.0247 | -77.0383 | 1990 | MD Dam Safety | one day | MD Dam Safety | |||||||||||||
LITTLE TONOLOWAY DAM | MD | L | Non-failure | 06/12/2014 | Hydrologic/flooding | High Reservoir Level | MD00062-2659 | 8 inches rain in 4 hour | Yes | 0 | 0 | P | RE | R | NR | 17 ft | 66 ac-ft | 7 acres | 1953 | MD00062 | LITTLE TONOLOWAY CREEK | 39.6844 | -78.2553 | 1953 | MD Dam Safety | MD Dam Safety | ||||||||||||||
ROCKY GORGE DAM | MD | H | Non-failure | 04/30/2014 | Hydrologic/flooding | High Reservoir Level | MD00020-2660 | Large rain event during construction with exposed vulnerabilit | Yes | 0 | 400 | L | CBCN | SR | Y | 134 ft | 22000 ac-ft | 773 acres | 1953 | MD00020 | PATUXENT RIVER | 39.1167 | -76.8751 | 2014 | MD Dam Safety | MD Dam Safety | ||||||||||||||
LITTLE DEER CREEK SITE 2A (MCKNIGHT/RUTLEDGE) | MD | S | Non-failure | 04/01/2014 | Deterioration Or Poor Condition | Spillway Riser Failure | Excessive/increased Seepage | MD00035-2662 | Plugged Riser,Abutment Seepage | Yes | 0 | 0 | P | RE | C | Y | 44 ft | 523 ac-ft | 5 acres | 1962 | MD00035 | TR-LITTLE DEER CREEK | 39.6404 | -76.5275 | 1962 | MD Dam Safety | one week | MD Dam Safety | ||||||||||||
LEWISVILLE LAKE | TX | H | Non-failure | 12/14/2015 | Structural Stability | Slope Stability | TX00008-2663 | SLIDE | F | RE | SRCH | Y | 130 ft | 1804300 ac-ft | 23280 acres | 1955 | TX00008 | ELM FORK OF THE TRINITY RIVER | 33.0667 | -97.0167 | 0 | TCEQ | ||||||||||||||||||
LAKE KIMBLE DAM | TX | L | Non-failure | 11/30/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | TX03743-2664 | SPILLWAY PIPE FAILURE | P | RE | R | NR | 23 ft | 500 ac-ft | 119 acres | 1964 | TX03743 | KIMBALL CREEK | 30.511 | -94.4396 | 0 | TCEQ | TX DEQ | |||||||||||||||||
PLUM CREEK WS SCS SITE 6 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01576-2665 | SPILLWAY DAMAGE | L | RE | C | Y | 36 ft | 5663 ac-ft | 142 acres | 1967 | TX01576 | PORTER CREEK | 30.0022 | -97.8229 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 14 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02623-2666 | SPILLWAY DAMAGE | L | RE | C | NR | 22 ft | 1298 ac-ft | 50 acres | 1965 | TX02623 | TR-PIN OAK CREEK | 31.8308 | -96.5963 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 14A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02622-2667 | SPILLWAY DAMAGE | L | RE | C | NR | 22 ft | 974 ac-ft | 42 acres | 1964 | TX02622 | TR-PIN OAK CREEK | 31.8398 | -96.608 | 2005 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 98A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02611-2668 | SPILLWAY DAMAGE | L | RE | C | NR | 36 ft | 4391 ac-ft | 126 acres | 1972 | TX02611 | HACKBERRY CREEK | 32.0185 | -96.844 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 137G DAM | TX | H | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02582-2669 | SPILLWAY DAMAGE | L | RE | C | Y | 29 ft | 5380 ac-ft | 70 acres | 1971 | TX02582 | BRIAR CREEK | 32.0595 | -96.578 | 2011 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 111 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02638-2670 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 30 ft | 281 ac-ft | 12 acres | 1970 | TX02638 | TR-BATTLE CREEK | 31.8939 | -96.684 | 2005 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 107B DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02630-2671 | SEVERE SPILLWAY DAMAGE | L | RE | PF | NR | 29 ft | 595 ac-ft | 27 acres | 1964 | TX02630 | TR-BATTLE CREEK | 31.8752 | -96.7061 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 107A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02629-2672 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 31 ft | 886 ac-ft | 19 acres | 1970 | TX02629 | TR-BATTLE CREEK | 31.8655 | -96.7147 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 110 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02634-2673 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 30 ft | 791 ac-ft | 36 acres | 1970 | TX02634 | TR-BATTLE CREEK | 31.8914 | -96.6901 | 0 | TCEQ | TX DEQ | |||||||||||||||||
KING NO. 1 | WY | L | Failure | 07/15/2014 | Seepage/internal Erosion | Piping | WY00328-2646 | No | 0 | 0 | 0 | 0 | Other | $100,000 to $500,000 | 2216 AF ac-ft | 1 ditch diversion structure damaged. No significant damage occurred downstream. Bids were $300,000 to repair the dam. | P | RE | I | NR | 24 ft | 2449 ac-ft | 230 acres | 1922 | WY00328 | SEEPAGE CREEK | 41.5933 | -106.063 | 0 | SEO | 12 a.m. to 4 a.m. Estimated | Less than 4 hours | Yes | WY State Engineer's Office | Y | |||||
RICHLAND CREEK WS SCS SITE 31 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02624-2674 | SEVERE SPILLWAY DAMAGE | L | RE | I | NR | 35 ft | 5838 ac-ft | 56 acres | 1963 | TX02624 | BOARD CREEK | 31.8705 | -96.5676 | 2010 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 136REV DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04588-2675 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 34 ft | 753 ac-ft | 21 acres | 1977 | TX04588 | TR-RUSH CREEK | 32.0257 | -96.603 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 129 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02649-2676 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 25 ft | 926 ac-ft | 18 acres | 1961 | TX02649 | TR-MELTON BRANCH | 31.969 | -96.5914 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 100A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02612-2677 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 31 ft | 2466 ac-ft | 50 acres | 1972 | TX02612 | TR-HACKBERRY CREEK | 32.0227 | -96.835 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 114 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Overtopping | TX02635-2678 | OVERTOPPING, DID NOT BREACH | L | RE | C | NR | 21 ft | 340 ac-ft | 16 acres | 1970 | TX02635 | TR-BATTLE CREEK | 31.9011 | -96.6474 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 113 DAM | TX | L | Failure | 10/25/2015 | Hydrologic/flooding | Overtopping | TX02636-2679 | OVERTOPPING, PARTIALLY BREACHED | L | RE | C | NR | 26 ft | 638 ac-ft | 30 acres | 1970 | TX02636 | TR-BATTLE CREEK | 31.9069 | -96.6653 | 0 | TCEQ | TX DEQ | |||||||||||||||||
MANN LAKE DAM | TX | S | Failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX05067-2680 | SPILLWAY FAILURE, LAKE DRAINED | P | RE | Y | 16 ft | 108 ac-ft | 0 acres | 1957 | TX05067 | BRAZOS RIVER | 31.4314 | -96.9698 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
RICE LAKE DAM | TX | L | Failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX02575-2681 | SPILLWAY FAILURE, LAKE DRAINED | P | RE | RP | NR | 20 ft | 544 ac-ft | 22 acres | 1960 | TX02575 | RICE BRANCH | 32.2407 | -96.4891 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE HALBERT DAM | TX | S | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX02568-2682 | ADDITIONAL SPILLWAY DAMAGE | L | RE | S | Y | 49 ft | 14400 ac-ft | 649 acres | 1921 | TX02568 | ELM CREEK | 32.0764 | -96.4058 | 1994 | TCEQ | TX DEQ | |||||||||||||||||
BRYAN UTILITIES LAKE DAM | TX | H | Non-failure | 08/26/2015 | Structural Stability | Slope Stability | TX01869-2683 | MAJOR SLOPE FAILURE | LP | RE | O | Y | 59 ft | 20763 ac-ft | 829 acres | 1975 | TX01869 | TR-THOMPSONS/PEACH CREEKS | 30.7101 | -96.4537 | 2012 | TCEQ | TX DEQ | |||||||||||||||||
R AND G LAKE DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Overtopping | TX02058-2684 | OVERTOPPING, DID NOT BREACH | P | RE | IR | N | 30 ft | 272 ac-ft | 29 acres | 1912 | TX02058 | TR-SHAWNEE CREEK | 33.7916 | -96.6105 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LOY LAKE DAM | TX | S | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX02053-2685 | SPILLWAY EROSION | L | RE | R | Y | 25 ft | 642 ac-ft | 42 acres | 1933 | TX02053 | LOY CREEK | 33.7296 | -96.588 | 0 | TCEQ | TX DEQ | |||||||||||||||||
YORK CREEK WS SCS SITE 6 DAM | TX | S | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01605-2686 | SLIDE | LP | RE | CRPD | Y | 31 ft | 877 ac-ft | 26 acres | 1962 | TX01605 | TR-YORK CREEK | 29.7394 | -97.9746 | 0 | TCEQ | TX DEQ | |||||||||||||||||
MOUNTAIN CREEK DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX00827-2687 | SLIDES | P | RE | O | Y | 47 ft | 64372 ac-ft | 2880 acres | 1936 | TX00827 | MOUNTAIN CREEK | 32.7326 | -96.9437 | 1999 | TCEQ | TX DEQ | |||||||||||||||||
LAKE LEON DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Slope Stability | TX01417-2688 | SLOPE FAILURE | L | RE | SRO | N | 90 ft | 72250 ac-ft | 1590 acres | 1954 | TX01417 | LEON RIVER | 32.3627 | -98.6756 | 1987 | TCEQ | TX DEQ | |||||||||||||||||
CLEAR CREEK WS SCS SITE 45 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00557-2689 | SPILLWAY DAMAGE | L | RE | CPD | NR | 51 ft | 2750 ac-ft | 20 acres | 1961 | TX00557 | WHEAT CREEK | 33.5346 | -97.3762 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CLEAR CREEK WS SCS SITE 48 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00527-2690 | SPILLWAY DAMAGE | L | RE | C | NR | 37 ft | 3124 ac-ft | 46 acres | 1965 | TX00527 | GRASS HOPPER CREEK | 33.4571 | -97.3167 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LITTLE ELM AND LATERALS WS SCS SITE 19 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01129-2691 | SLIDE | L | RE | CRP | NR | 24 ft | 1094 ac-ft | 38 acres | 1970 | TX01129 | TR-LITTLE ELM CREEK | 33.3278 | -96.8344 | 0 | TCEQ | TX DEQ | |||||||||||||||||
WEST FORK ABOVE BRIDGEPORT WS SCS SITE 1 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Pipe Failure | TX03211-2692 | PIPE FAILURE | L | RE | C | NR | 46 ft | 8855 ac-ft | 481 acres | 1951 | TX03211 | NORTH FORK CROOKED CREEK | 33.4222 | -98.1051 | 0 | TCEQ | TX DEQ | |||||||||||||||||
DENTON CREEK WS SCS SITE 16 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX01524-2693 | SEVERE SPILLWAY EROSION | L | RE | C | NR | 54 ft | 2100 ac-ft | 22 acres | 1968 | TX01524 | TR-DENTON CREEK | 33.4131 | -97.5039 | 0 | TCEQ | TX DEQ | |||||||||||||||||
FARMERS CREEK WS SCS DEBRIS BASIN 117 | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX04600-2694 | SPILLWAY DAMAGE | LP | RE | CPFD | NR | 41 ft | 99 ac-ft | 6 acres | 1975 | TX04600 | TR-WEST FARMERS CREEK | 33.68 | -97.6461 | 0 | TCEQ | TX DEQ | |||||||||||||||||
FARMERS CREEK WS SCS DEBRIS BASIN 116 | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX04599-2695 | SPILLWAY DAMAGE | LP | RE | CPFD | NR | 36 ft | 83 ac-ft | 4 acres | 1975 | TX04599 | TR-WEST FARMERS CREEK | 33.6745 | -97.6433 | 0 | TCEQ | TX DEQ | |||||||||||||||||
DENTON CREEK WS SCS SITE 3 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00742-2696 | SPILLWAY DAMAGE | L | RE | CPD | NR | 35 ft | 4469 ac-ft | 71 acres | 1972 | TX00742 | DRY VALLEY CREEK | 33.5639 | -97.6928 | 0 | TCEQ | TX DEQ | |||||||||||||||||
DENTON CREEK WS SCS SED CONT STR 2-9 | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Overtopping | TX05529-2697 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | CPD | NR | 21 ft | 84 ac-ft | 7 acres | 1978 | TX05529 | TR-DRY VALLEY CREEK | 33.5892 | -97.7107 | 0 | TCEQ | TX DEQ | |||||||||||||||||
DENTON CREEK WS SCS SITE 1B1 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Pipe Failure | TX00732-2698 | PIPE DAMAGE | L | RE | CPF | NR | 29 ft | 600 ac-ft | 15 acres | 1966 | TX00732 | TR-DENTON CREEK | 33.6093 | -97.7465 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CLEAR CREEK WS SCS SITE 50 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00631-2699 | SPILLWAY DAMAGE | LP | RE | C | NR | 50 ft | 2824 ac-ft | 34 acres | 1961 | TX00631 | BUCK CREEK | 33.3941 | -97.2742 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 10 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX01075-2700 | SLIDE | L | RE | CR | NR | 27 ft | 1513 ac-ft | 66 acres | 1957 | TX01075 | TR-MUNGER BRANCH | 31.778 | -96.6645 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CEDAR CREEK WS SCS SITE 87A DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Sliding | TX03341-2701 | SLIDE | L | RE | CRP | Y | 43 ft | 20147 ac-ft | 840 acres | 1969 | TX03341 | MUDDY CEDAR CREEK | 32.7275 | -96.1722 | 1969 | TCEQ | TX DEQ | |||||||||||||||||
LOWER EAST FORK LATERALS WS SCS SITE 10 DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX03358-2702 | SPILLWAY DAMAGE | L | RE | CRP | N | 29 ft | 2017 ac-ft | 141 acres | 1953 | TX03358 | WARSAW CREEK | 32.5495 | -96.4174 | 0 | TCEQ | TX DEQ | |||||||||||||||||
KENDALL LAKE DAM | TX | L | Failure | 05/30/2015 | Hydrologic/flooding | Overtopping | TX05032-2703 | OVERTOPPING, BREACHED | P | RE | SR | NR | 20 ft | 76 ac-ft | 8 acres | 1965 | TX05032 | TR-SANDY CREEK | 32.3856 | -99.0237 | 0 | TCEQ | TX DEQ | |||||||||||||||||
JOSHUA SPRINGS PARK DAM NO 3 | TX | S | Non-failure | 05/29/2015 | Hydrologic/flooding | Overtopping | TX07311-2704 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | Y | 36 ft | 39 ac-ft | 1 acres | 1800 | TX07311 | LITTLE JOSHUA CREEK | 29.8839 | -98.8085 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
JOSHUA SPRINGS PARK DAM NO 2 | TX | S | Non-failure | 05/29/2015 | Hydrologic/flooding | Overtopping | TX09592-2705 | OVERTOPPING, DID NOT BREACH, EROSION DAMAGE | L | RE | Y | 20 ft | 49 ac-ft | 7 acres | 1800 | TX09592 | LITTLE JOSHUA CREEK | 29.884 | -98.8188 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
MOUNTAIN CREEK WS SCS SITE 10 DAM | TX | H | Non-failure | 05/27/2015 | Hydrologic/flooding | Overtopping | TX01309-2706 | OVERTOPPING, DID NOT BREACH, CONSTRUCTION COFFERDAM | L | RE | CR | N | 43 ft | 6457 ac-ft | 90 acres | 1956 | TX01309 | NEWTON BRANCH | 32.498 | -97.0421 | 0 | TCEQ | TX DEQ | |||||||||||||||||
UPPER BRUSHY CREEK WS SCS SITE 22 DAM | TX | H | Non-failure | 05/26/2015 | Hydrologic/flooding | Sliding | TX01323-2707 | SLIDES | L | RE | CP | Y | 21 ft | 615 ac-ft | 11 acres | 1959 | TX01323 | TR-BRUSHY CREEK | 30.4906 | -97.5402 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LEWIS CREEK DAM | TX | H | Non-failure | 05/25/2015 | Hydrologic/flooding | Sliding | TX00119-2708 | MULTIPLE SLIDES | P | RE | SRO | Y | 57 ft | 22000 ac-ft | 1010 acres | 1969 | TX00119 | LEWIS CREEK | 30.4345 | -95.5431 | 2012 | TCEQ | TX DEQ | |||||||||||||||||
ATHENS FISH AND GAME CLUB LAKE DAM | TX | L | Non-failure | 05/11/2015 | Hydrologic/flooding | Overtopping | TX00220-2710 | OVERTOPPING, DID NOT BREACH | P | RE | R | NR | 28 ft | 1419 ac-ft | 100 acres | 1920 | TX00220 | FLAT CREEK | 32.2346 | -95.7774 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE HALBERT DAM | TX | S | Non-failure | 05/11/2015 | Hydrologic/flooding | Spillway Deficiency | TX02568-2711 | SPILLWAY DAMAGE | L | RE | S | Y | 49 ft | 14400 ac-ft | 649 acres | 1921 | TX02568 | ELM CREEK | 32.0764 | -96.4058 | 1994 | TCEQ | TX DEQ | |||||||||||||||||
INDIAN HILL LAKE DAM | TX | L | Non-failure | 05/12/2014 | Unknown | Spillway Deficiency | TX02977-2712 | SPILLWAY FAILED, DID NOT BREACH | P | RE | R | NR | 28 ft | 386 ac-ft | 20 acres | 1960 | TX02977 | BLACK CREEK | 30.8833 | -95.6106 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CLEAR SPRING LAKE DAM | TX | H | Non-failure | 01/15/2012 | Hydrologic/flooding | Overtopping | TX02715-2713 | OVERTOPPING, DID NOT BREACH. CONSIDERABLE SPILLWAY DAMAGE | P | RE | R | N | 19 ft | 350 ac-ft | 25 acres | 1950 | TX02715 | GREENS CREEK | 30.1127 | -97.4648 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CLUB 20 LAKE DAM | TX | S | Non-failure | 01/01/2011 | Seepage/internal Erosion | Sinkhole | TX02841-2714 | SINKHOLE AT TOE WITH SEEPAGE | P | RE | IR | Y | 29 ft | 269 ac-ft | 23 acres | 1962 | TX02841 | TR-GRAND SALINE CREEK | 32.5386 | -95.7741 | 2002 | TCEQ | TX DEQ | |||||||||||||||||
GABRIELS OVERLOOK DAM | TX | H | Non-failure | 09/08/2010 | Hydrologic/flooding | Overtopping | TX07254-2715 | OVERTOPPING, DID NOT BREACH | P | RE | Y | 25 ft | 114 ac-ft | 11 acres | 1964 | TX07254 | TRIBUTARY OF SAN GABRIEL RIVER | 30.6195 | -97.8003 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
VICKERY LAKE DAM | TX | H | Non-failure | 10/13/2009 | Hydrologic/flooding | Overtopping | TX07292-2716 | OVERTOPPING, DID NOT BREACH | P | RE | R | N | 20 ft | 56 ac-ft | 7 acres | 1930 | TX07292 | UNTR-LAKE FORK CREEK | 32.7392 | -95.4779 | 0 | TCEQ | TX DEQ | |||||||||||||||||
PEDDY LAKE DAM | TX | S | Failure | 09/15/2009 | Hydrologic/flooding | Overtopping | TX07299-2717 | OVERTOPPING, BREACHED | P | RE | N | 20 ft | 96 ac-ft | 12 acres | 1997 | TX07299 | UN TR-SOUTH FORK | 32.9279 | -95.2115 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
LAKE CONNIE JEAN DAM | TX | L | Non-failure | 09/13/2008 | Unknown | Spillway Deficiency | TX00040-2718 | S.S. FAILED, DID NOT BREACH | P | RE | RP | NR | 20 ft | 280 ac-ft | 23 acres | 1965 | TX00040 | WILLIAMS CREEK | 30.5168 | -94.8099 | 1988 | TCEQ | TX DEQ | |||||||||||||||||
BLAND LAKE DAM | TX | L | Non-failure | 03/30/2008 | Hydrologic/flooding | Overtopping | TX03968-2719 | OVERTOPPING, DID NOT BREACH | P | RE | R | NR | 12 ft | 150 ac-ft | 29 acres | 1890 | TX03968 | AYISH BAYOU | 31.5889 | -94.1114 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RHINES RESERVOIR DAM | TX | L | Non-failure | 01/01/2008 | Seepage/internal Erosion | Piping | TX02803-2720 | PIPING | P | RE | S | NR | 22 ft | 2949 ac-ft | 300 acres | 1948 | TX02803 | NECHES RIVER | 32.4961 | -95.6764 | 2010 | TCEQ | TX DEQ | |||||||||||||||||
ANDERSON-RAINES DAM | TX | L | Non-failure | 08/03/2007 | Unknown | Spillway Deficiency | TX07259-2721 | S.S. FAILED, DID NOT BREACH | P | RE | NR | 20 ft | 134 ac-ft | 5 acres | 1987 | TX07259 | TR-DRY HOLLOW | 30.9145 | -97.1999 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
NEAR KIM LAKE DAM | TX | S | Non-failure | 07/18/2007 | Unknown | Spillway Deficiency | TX00103-2722 | S.S. FAILED, DID NOT BREACH | P | RE | R | Y | 19 ft | 293 ac-ft | 18 acres | 1963 | TX00103 | TR-LAKE CREEK | 30.2923 | -95.7233 | 2010 | TCEQ | TX DEQ | |||||||||||||||||
PESSINK LAKE DAM | TX | H | Non-failure | 07/08/2007 | Hydrologic/flooding | Overtopping | TX07255-2723 | OVERTOPPING, DID NOT BREACH | P | RE | R | Y | 17 ft | 50 ac-ft | 7 acres | 1800 | TX07255 | TR-RODDY BRANCH | 32.2065 | -95.2822 | 0 | TCEQ | TX DEQ | |||||||||||||||||
HIGHLAND CLUB DAM | TX | L | Non-failure | 07/01/2007 | Hydrologic/flooding | Overtopping | TX03995-2724 | OVERTOPPING | P | RE | R | NR | 17 ft | 412 ac-ft | 50 acres | 1919 | TX03995 | TR-ARTHUR REEVES BRANCH | 32.9408 | -94.9858 | 2007 | TCEQ | TX DEQ | |||||||||||||||||
LAKE O THE WOODS DAM | TX | L | Non-failure | 07/01/2007 | Hydrologic/flooding | Overtopping | TX04240-2725 | OVERTOPPING | P | RE | R | NR | 16 ft | 191 ac-ft | 12 acres | 1957 | TX04240 | HIGHLAND POND BRANCH | 32.6475 | -95.2786 | 2008 | N | TX DEQ | |||||||||||||||||
MEADOW WOOD LAKE NO 3 DAM | TX | S | Non-failure | 07/01/2007 | Seepage/internal Erosion | Piping | TX06890-2726 | PIPING | P | RE | R | Y | 15 ft | 223 ac-ft | 9 acres | 1950 | TX06890 | TR-BACHELOR CREEK | 32.6789 | -96.3036 | 2008 | TCEQ | TX DEQ | |||||||||||||||||
GABRIELS OVERLOOK DAM | TX | H | Non-failure | 06/28/2007 | Hydrologic/flooding | Overtopping | TX07254-2727 | OVERTOPPING, DID NOT BREACH | P | RE | Y | 25 ft | 114 ac-ft | 11 acres | 1964 | TX07254 | TRIBUTARY OF SAN GABRIEL RIVER | 30.6195 | -97.8003 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
CHACON DAM | TX | H | Non-failure | 06/18/2007 | Unknown | Spillway Deficiency | TX01783-2728 | S.S. FAILED | L | RE | I | N | 15 ft | 2312 ac-ft | 107 acres | 1912 | TX01783 | CHACON CREEK | 29.2366 | -98.8739 | 0 | N | TX DEQ | |||||||||||||||||
DOGWOOD LAKE DAM | TX | L | Non-failure | 11/01/2006 | Unknown | Spillway Deficiency | TX00029-2729 | S.S. FAILED, DID NOT BREACH | P | RE | R | NR | 32 ft | 209 ac-ft | 13 acres | 1965 | TX00029 | TR-CHOATES CREEK | 30.725 | -94.8771 | 2007 | TCEQ | TX DEQ | |||||||||||||||||
JOHN MAY DAM NO 2 | TX | S | Non-failure | 07/01/2005 | Seepage/internal Erosion | Piping | Animal Activity | TX06389-2730 | PIPING, ANIMAL BURROWS | P | RE | N | 15 ft | 66 ac-ft | 11 acres | 1945 | TX06389 | TR-TANKERSLEY CREEK | 33.1813 | -95.0011 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CALLAWAY DAM | TX | L | Non-failure | 05/13/2004 | Hydrologic/flooding | Overtopping | TX02133-2731 | OVERTOPPING | P | RE | R | NR | 20 ft | 298 ac-ft | 25 acres | 1961 | TX02133 | TR-LITTLE PIN OAK CREEK | 30.9199 | -96.5468 | 2006 | TCEQ | TX DEQ | |||||||||||||||||
MCGUIRE LAKE DAM | TX | L | Non-failure | 05/13/2004 | Hydrologic/flooding | Overtopping | TX02134-2732 | OVERTOPPING | P | RE | R | NR | 15 ft | 360 ac-ft | 38 acres | 1961 | TX02134 | LITTLE PIN OAK CREEK | 30.9151 | -96.5518 | 0 | N | TX DEQ | |||||||||||||||||
COMANCHE CREEK DAM | TX | H | Non-failure | 04/04/2004 | Hydrologic/flooding | Overtopping | TX02127-2733 | OVERTOPPING, DID NOT BREACH | L | RE | I | N | 22 ft | 1113 ac-ft | 100 acres | 1955 | TX02127 | COMANCHE CREEK | 30.8747 | -102.878 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE CHARMAINE DAM | TX | L | Non-failure | 03/14/2004 | Seepage/internal Erosion | Piping | TX03755-2734 | PIPING | L | RE | R | Y | 24 ft | 700 ac-ft | 88 acres | 1965 | TX03755 | MAGNUS BRANCH | 30.6738 | -94.4014 | 2004 | TCEQ | TX DEQ | |||||||||||||||||
JC WEBB DAM | TX | L | Non-failure | 07/05/2002 | Hydrologic/flooding | Overtopping | TX04697-2735 | OVERTOPPING | P | RE | P | NR | 19 ft | 53 ac-ft | 6 acres | 1967 | TX04697 | TR-LEON CREEK | 29.7143 | -98.6722 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CAMP LA JUNTA DAM | TX | S | Non-failure | 05/01/2000 | Hydrologic/flooding | Overtopping | TX09244-2736 | OVERTOPPING | P | CNRE | R | Y | 11 ft | 25 ac-ft | 3 acres | 1978 | TX09244 | SOUTH FORK GUADALUPE RIVER | 30.0679 | -99.3349 | 2005 | TCEQ | TX DEQ | |||||||||||||||||
MOSS CREEK LAKE DAM | TX | H | Non-failure | 02/23/2000 | Unknown | Spillway Deficiency | TX03798-2737 | SPWY FAILURE | L | RE | SR | Y | 67 ft | 5700 ac-ft | 146 acres | 1939 | TX03798 | MOSS CREEK TRIBUTARY TO BEALS CREEK | 32.2436 | -101.311 | 0 | TCEQ | TX DEQ | |||||||||||||||||
POWELL LAKE DAM | TX | L | Non-failure | 02/23/2000 | Hydrologic/flooding | Overtopping | TX03797-2738 | OVERTOPPING | L | RE | SP | NR | 35 ft | 2988 ac-ft | 0 acres | 1939 | TX03797 | POWELL CREEK | 32.2093 | -101.269 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE DONNA DAM | TX | L | Non-failure | 04/03/1999 | Hydrologic/flooding | Overtopping | TX00036-2739 | OVERTOPPING | P | RE | R | NR | 21 ft | 145 ac-ft | 5 acres | 1963 | TX00036 | TR-WEST FORK DOUBLE BRANCH | 30.6864 | -94.756 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE JOBE DAM | TX | L | Non-failure | 04/03/1999 | Hydrologic/flooding | Overtopping | TX04237-2740 | OVERTOPPING | P | RE | RP | NR | 12 ft | 63 ac-ft | 8 acres | 1963 | TX04237 | TR-CHOATES CREEK | 30.7087 | -94.8888 | 0 | N | TX DEQ | |||||||||||||||||
JAN LAND COMPANY LAKE NO 1 DAM | TX | L | Non-failure | 10/17/1998 | Hydrologic/flooding | Overtopping | TX01580-2741 | OVERTOPPING | P | RE | R | NR | 20 ft | 206 ac-ft | 13 acres | 1967 | TX01580 | TR-BRUSHY CREEK | 30.0095 | -97.7982 | 0 | N | TX DEQ | |||||||||||||||||
CASA MONTE DAM | TX | L | Non-failure | 01/01/1997 | Hydrologic/flooding | Overtopping | TX07035-2742 | OVRTPG/UNDRMNG | P | RE | NR | 15 ft | 334 ac-ft | 56 acres | 1993 | TX07035 | NUECES RIVER | 28.6057 | -99.7697 | 0 | N | TX DEQ | ||||||||||||||||||
HOLLAND DAM SITE A | TX | L | Non-failure | 01/01/1997 | Structural Stability | Cracking | TX02021-2743 | FRACTURED | L | CB | I | NR | 13 ft | 700 ac-ft | 0 acres | 1911 | TX02021 | NUECES RIVER | 28.3016 | -99.1397 | 0 | N | TX DEQ | |||||||||||||||||
BIG LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03753-2744 | OVERTOPPING | P | RE | ISR | Y | 21 ft | 357 ac-ft | 22 acres | 1949 | TX03753 | TR-MAGNUS BRANCH | 30.6938 | -94.423 | 1997 | TCEQ | TX DEQ | |||||||||||||||||
BOYKIN LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03751-2745 | OVERTOPPING | P | RE | IR | NR | 14 ft | 195 ac-ft | 0 acres | 1976 | TX03751 | MANGUS BRANCH | 30.7212 | -94.4486 | 0 | TCEQ | TX DEQ | |||||||||||||||||
EAST LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03754-2746 | OVERTOPPING | P | RE | ISR | Y | 22 ft | 327 ac-ft | 19 acres | 1949 | TX03754 | TR-MAGNUS BRANCH | 30.6995 | -94.4207 | 1997 | TCEQ | TX DEQ | |||||||||||||||||
ELECTRO LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03762-2747 | OVERTOPPING | P | RE | R | Y | 12 ft | 50 ac-ft | 9 acres | 1927 | TX03762 | MAGNUS BRANCH | 30.7266 | -94.448 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE CHARMAINE DAM | TX | L | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03755-2748 | OVERTOPPING | L | RE | R | Y | 24 ft | 700 ac-ft | 88 acres | 1965 | TX03755 | MAGNUS BRANCH | 30.6738 | -94.4014 | 2004 | TCEQ | TX DEQ | |||||||||||||||||
LAKE GALAHAD DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03757-2749 | OVERTOPPING | L | RE | R | Y | 11 ft | 730 ac-ft | 0 acres | 1958 | TX03757 | MAGNUS BRANCH | 30.6745 | -94.4206 | 2009 | TCEQ | TX DEQ | |||||||||||||||||
SUTTON LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03763-2750 | OVERTOPPING | P | RE | R | N | 13 ft | 210 ac-ft | 41 acres | 1915 | TX03763 | MAGNUS BRANCH | 30.7031 | -94.4475 | 2000 | TCEQ | TX DEQ | |||||||||||||||||
TWIN LAKES DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03766-2751 | OVERTOPPING | P | RE | S | NR | 10 ft | 125 ac-ft | 25 acres | 1915 | TX03766 | MANGUS BRANCH | 30.7147 | -94.4514 | 0 | TCEQ | TX DEQ | |||||||||||||||||
HEARN DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX09407-2752 | OVERTOPPING | P | RE | R | Y | 17 ft | 68 ac-ft | 0 acres | 1800 | TX09407 | MAGNUS BRANCH | 30.7407 | -94.4424 | 0 | TCEQ | TX DEQ | |||||||||||||||||
WEST LAKE DAM | TX | S | Non-failure | 09/27/1996 | Hydrologic/flooding | Overtopping | TX03752-2753 | OVERTOPPING | P | RE | ISR | Y | 24 ft | 360 ac-ft | 20 acres | 1949 | TX03752 | TR-MAGNUS BRANCH | 30.7002 | -94.426 | 1997 | TCEQ | TX DEQ | |||||||||||||||||
ROBERTS TANK DAM | TX | L | Non-failure | 07/14/1996 | Seepage/internal Erosion | Piping | TX01961-2754 | INTERNAL EROSION | P | RE | C | NR | 20 ft | 560 ac-ft | 0 acres | 1938 | TX01961 | SAN FELIPE ARROYO | 31.5887 | -106.107 | 0 | N | TX DEQ | |||||||||||||||||
BEARFOOT LAKE DAM | TX | H | Non-failure | 10/17/1994 | Unknown | Spillway Erosion/head Cutting | TX03916-2755 | E.S. BREACH | P | RE | R | N | 27 ft | 3207 ac-ft | 0 acres | 1964 | TX03916 | MILL CREEK | 30.4819 | -94.7734 | 0 | N | TX DEQ | |||||||||||||||||
CADE LAKE NUMBER 3 DAM | TX | S | Non-failure | 10/17/1994 | Unknown | Spillway Deficiency | TX04210-2756 | S.S. FAILED | L | RE | R | N | 20 ft | 584 ac-ft | 0 acres | 1972 | TX04210 | SECOND DAVIDSON CREEK | 30.5039 | -96.7656 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE TINKLE DAM | TX | L | Non-failure | 10/17/1994 | Unknown | Spillway Erosion/head Cutting | TX03876-2757 | E.S. FAILED | P | RE | R | NR | 20 ft | 280 ac-ft | 35 acres | 1949 | TX03876 | TR-WANDERS CREEK | 31.7697 | -94.4845 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RANNEFELD DAM | TX | S | Non-failure | 10/17/1994 | Seepage/internal Erosion | Piping | TX06922-2758 | PIPING AT S.S. | P | RE | Y | 16 ft | 115 ac-ft | 7 acres | 1994 | TX06922 | TR-DECKER BRANCH | 30.1497 | -95.6966 | 1995 | TCEQ | TX DEQ | ||||||||||||||||||
LAKE MARY DAM | TX | L | Non-failure | 06/21/1993 | Structural Stability | Erosion | TX04862-2759 | EROSION D/S SLP | P | RE | R | NR | 28 ft | 370 ac-ft | 21 acres | 1945 | TX04862 | RUCKER BRANCH | 31.6945 | -95.5461 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE ROMAN DAM | TX | L | Non-failure | 06/20/1993 | Hydrologic/flooding | Overtopping | TX03528-2760 | OVERTOPPING | P | RE | P | NR | 23 ft | 300 ac-ft | 26 acres | 1935 | TX03528 | TR-BEARD BRANCH | 32.1947 | -94.6472 | 0 | TCEQ | TX DEQ | |||||||||||||||||
PIPES DAM NO 1 | TX | S | Non-failure | 06/20/1993 | Hydrologic/flooding | Overtopping | TX09292-2761 | OVERTOPPING | P | RE | P | N | 17 ft | 30 ac-ft | 4 acres | 1953 | TX09292 | TR-BEANS CREEK | 31.8054 | -95.1914 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RUSK ORE MINE DAM | TX | L | Non-failure | 06/20/1993 | Hydrologic/flooding | Overtopping | TX00589-2762 | OVERTOPPING, DID NOT BREACH | L | RE | R | NR | 23 ft | 680 ac-ft | 0 acres | 1953 | TX00589 | TR-BEANS CREEK | 31.8003 | -95.1967 | 0 | TCEQ | TX DEQ | |||||||||||||||||
BLACKBURN LAKE DAM | TX | L | Non-failure | 01/01/1993 | Unknown | Spillway Deficiency | TX00970-2764 | SPWY FAILURE | P | RE | R | NR | 18 ft | 137 ac-ft | 12 acres | 1950 | TX00970 | CONNER SPRING BRANCH | 31.3741 | -94.8517 | 0 | TCEQ | TX DEQ | |||||||||||||||||
SPRING LAKE DAM | TX | H | Non-failure | 10/09/1992 | Unknown | Spillway Deficiency | TX00124-2765 | SERVICE SPWY | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX DEQ | |||||||||||||||||
JDM LAKE DAM | TX | L | Non-failure | 01/10/1992 | Deterioration Or Poor Condition | Spillway Pipe Failure | TX00171-2766 | CONDUIT HOLE | P | RE | RP | NR | 30 ft | 1500 ac-ft | 88 acres | 1953 | TX00171 | WOLF CREEK | 32.0231 | -95.7178 | 2012 | TCEQ | TX DEQ | |||||||||||||||||
CADE LAKE NUMBER 3 DAM | TX | S | Non-failure | 12/01/1991 | Unknown | Spillway Deficiency | TX04210-2767 | S.S. FAILED | L | RE | R | N | 20 ft | 584 ac-ft | 0 acres | 1972 | TX04210 | SECOND DAVIDSON CREEK | 30.5039 | -96.7656 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE CENTER DAM | TX | S | Non-failure | 08/04/1991 | Unknown | Spillway Deficiency | TX00309-2768 | SPWY COLLAPSE | L | RE | S | Y | 17 ft | 1825 ac-ft | 93 acres | 1953 | TX00309 | MILL CREEK | 31.7383 | -94.16 | 1993 | TCEQ | TX DEQ | |||||||||||||||||
LAKE DOWNS DAM | TX | H | Non-failure | 02/01/1991 | Unknown | Spillway Deficiency | TX00038-2769 | SPWY WASHOUT | P | RE | R | N | 26 ft | 65 ac-ft | 3 acres | 1963 | TX00038 | TR-BIG SANDY CREEK | 30.6944 | -94.74 | 1983 | TCEQ | TX DEQ | |||||||||||||||||
BUESCHER STATE PARK LAKE DAM | TX | S | Non-failure | 01/28/1991 | Seepage/internal Erosion | Piping | TX02711-2770 | PIPING | S | RE | R | N | 26 ft | 250 ac-ft | 0 acres | 1936 | TX02711 | HUNT BRANCH | 30.0421 | -97.1584 | 1993 | TCEQ | TX DEQ | |||||||||||||||||
HARALSON LAKE DAM | TX | L | Non-failure | 01/01/1991 | Unknown | Spillway Deficiency | TX00517-2771 | SPWY FAILURE | P | RE | P | NR | 16 ft | 130 ac-ft | 13 acres | 1957 | TX00517 | TR-VILLAGE CREEK | 30.9274 | -95.382 | 0 | N | TX DEQ | |||||||||||||||||
WHITE OAK DAM | TX | L | Non-failure | 07/18/1990 | Unknown | Spillway Erosion/head Cutting | TX03294-2772 | E.S. BREACH | P | RE | R | NR | 21 ft | 5600 ac-ft | 212 acres | 1970 | TX03294 | LICK CREEK | 33.2873 | -95.1451 | 2003 | TCEQ | TX DEQ | |||||||||||||||||
CADE LAKE NUMBER 3 DAM | TX | S | Non-failure | 04/25/1990 | Unknown | Spillway Deficiency | TX04210-2773 | S.S. FAILED | L | RE | R | N | 20 ft | 584 ac-ft | 0 acres | 1972 | TX04210 | SECOND DAVIDSON CREEK | 30.5039 | -96.7656 | 0 | TCEQ | TX DEQ | |||||||||||||||||
NABORS LAKE DAM | TX | L | Non-failure | 04/25/1990 | Hydrologic/flooding | Overtopping | TX03465-2774 | OVERTOPPING | P | RE | R | NR | 33 ft | 595 ac-ft | 41 acres | 1947 | TX03465 | FADE CREEK | 32.123 | -98.6038 | 1991 | TCEQ | TX DEQ | |||||||||||||||||
LOST CREEK DAM | TX | S | Non-failure | 01/01/1990 | Structural Stability | Sliding | TX06399-2776 | LARGE SLIDE | L | RE | S | Y | 99 ft | 21831 ac-ft | 0 acres | 1991 | TX06399 | LOST CREEK | 33.2404 | -98.1203 | 0 | TCEQ | TX DEQ | |||||||||||||||||
PINO LAKE DAM | TX | S | Non-failure | 06/15/1989 | Hydrologic/flooding | Overtopping | TX03480-2778 | OVERTOPPING | P | RE | N | 33 ft | 250 ac-ft | 22 acres | 1968 | TX03480 | TR-SABANA RIVER | 32.1681 | -98.6749 | 2005 | TCEQ | TX DEQ | ||||||||||||||||||
WILLOW LAKE DAM | TX | L | Non-failure | 06/04/1989 | Hydrologic/flooding | Overtopping | TX03541-2779 | OVERTOPPING | L | RE | O | NR | 19 ft | 638 ac-ft | 46 acres | 1914 | TX03541 | SHAWNEE CREEK | 32.15 | -94.7842 | 0 | N | TX DEQ | |||||||||||||||||
RAYMOND BLAIR DAM | TX | S | Non-failure | 05/08/1989 | Seepage/internal Erosion | Piping | TX06450-2781 | INTERNAL EROSION | P | RE | O | N | 26 ft | 80 ac-ft | 1 acres | 1986 | TX06450 | LITTLE SILVER CREEK | 32.8258 | -97.6353 | 0 | TCEQ | TX DEQ | |||||||||||||||||
CHARLES FROST DAM | TX | L | Non-failure | 05/05/1989 | Hydrologic/flooding | Overtopping | TX06443-2782 | OVERTOPPED | P | RE | NR | 25 ft | 0 ac-ft | 0 acres | 1800 | TX06443 | PATRICK CREEK | 32.7257 | -97.8913 | 0 | N | TX DEQ | ||||||||||||||||||
HARRIS BACK LAKE DAM | TX | H | Non-failure | 03/29/1989 | Seepage/internal Erosion | Piping | TX04877-2783 | INTERNAL EROSION | P | RE | R | N | 17 ft | 214 ac-ft | 15 acres | 1900 | TX04877 | TR-PARKER CREEK | 32.5574 | -94.3443 | 2006 | TCEQ | TX DEQ | |||||||||||||||||
HIGHWAY LAKE DAM A | TX | S | Non-failure | 03/29/1989 | Hydrologic/flooding | Overtopping | TX03575-2784 | OVERTOPPING | P | RE | R | Y | 12 ft | 75 ac-ft | 4 acres | 1925 | TX03575 | TR-CLARKS CREEK | 32.5065 | -94.6162 | 1989 | TCEQ | TX DEQ | |||||||||||||||||
RUSK ORE MINE DAM | TX | L | Non-failure | 03/29/1989 | Hydrologic/flooding | Overtopping | TX00589-2785 | OVERTOPPING, DID NOT BREACH | L | RE | R | NR | 23 ft | 680 ac-ft | 0 acres | 1953 | TX00589 | TR-BEANS CREEK | 31.8003 | -95.1967 | 0 | TCEQ | TX DEQ | |||||||||||||||||
NIX LAKE DAM | TX | L | Non-failure | 03/29/1989 | Hydrologic/flooding | Overtopping | TX03546-2786 | OVERTOPPING | P | RE | R | NR | 23 ft | 837 ac-ft | 135 acres | 1940 | TX03546 | WASSON BRANCH | 32.2498 | -94.6545 | 0 | N | TX DEQ | |||||||||||||||||
BEARFOOT LAKE DAM | TX | H | Non-failure | 01/01/1989 | Hydrologic/flooding | Overtopping | TX03916-2787 | OVERTOPPING | P | RE | R | N | 27 ft | 3207 ac-ft | 0 acres | 1964 | TX03916 | MILL CREEK | 30.4819 | -94.7734 | 0 | N | TX DEQ | |||||||||||||||||
LAKE EANES DAM | TX | S | Non-failure | 06/01/1988 | Hydrologic/flooding | Overtopping | TX03492-2788 | OVERTOPPED | P | RE | I | Y | 35 ft | 2215 ac-ft | 124 acres | 1926 | TX03492 | MERCER CREEK | 31.8528 | -98.6182 | 1988 | TCEQ | TX DEQ | |||||||||||||||||
HURST CREEK DAM NO 1 | TX | L | Non-failure | 05/29/1987 | Hydrologic/flooding | Overtopping | TX06337-2790 | OVERTOPPED | P | RE | R | NR | 24 ft | 87 ac-ft | 0 acres | 1968 | TX06337 | HURST CREEK | 30.3527 | -97.9867 | 0 | TCEQ | TX DEQ | |||||||||||||||||
COMANCHE TRAIL LAKE DAM | TX | H | Non-failure | 08/30/1986 | Hydrologic/flooding | Overtopping | TX03799-2791 | OVERTOPPED | L | RE | R | Y | 19 ft | 520 ac-ft | 22 acres | 1914 | TX03799 | BIG SPRING DRAW | 32.2249 | -101.471 | 1988 | TCEQ | TX DEQ | |||||||||||||||||
BEARFOOT LAKE DAM | TX | H | Non-failure | 06/26/1986 | Hydrologic/flooding | Overtopping | TX03916-2792 | OVERTOPPING | P | RE | R | N | 27 ft | 3207 ac-ft | 0 acres | 1964 | TX03916 | MILL CREEK | 30.4819 | -94.7734 | 0 | N | TX DEQ | |||||||||||||||||
BARNEY M DAVIS COOLING RESERVOIR | TX | L | Non-failure | 05/08/1986 | Seepage/internal Erosion | Piping | TX01551-2793 | PIPING | P | RE | O | NR | 20 ft | 11400 ac-ft | 0 acres | 1973 | TX01551 | OFF CH-OSO CREEK | 27.6267 | -97.3483 | 0 | TCEQ | TX DEQ | |||||||||||||||||
HATCHERY LAKE DAM | TX | L | Non-failure | 11/11/1985 | Unknown | Spillway Chute Failure | TX02948-2794 | SPWY COLLAPSE | S | RE | O | NR | 24 ft | 135 ac-ft | 0 acres | 1932 | TX02948 | HARMON CREEK | 30.7408 | -95.4748 | 0 | TCEQ | TX DEQ | |||||||||||||||||
KERRVILLE PONDING DAM | TX | S | Non-failure | 12/31/1984 | Hydrologic/flooding | Overtopping | TX04650-2795 | OVERTOPPED | L | REOT | ISR | Y | 21 ft | 2499 ac-ft | 106 acres | 1980 | TX04650 | GUADALUPE RIVER | 30.0535 | -99.165 | 0 | TCEQ | TX DEQ | |||||||||||||||||
BASS HAVEN LAKE DAM | TX | L | Failure | 08/17/1984 | Unknown | Unknown | TX05119-2797 | BREACHED | P | RE | T | NR | 30 ft | 750 ac-ft | 35 acres | 1974 | TX05119 | TR-COON CREEK | 32.0011 | -95.9015 | 1986 | TCEQ | TX DEQ | |||||||||||||||||
CADE LAKE NUMBER 3 DAM | TX | S | Non-failure | 03/27/1984 | Unknown | Spillway Deficiency | TX04210-2798 | S.S. FAILED | L | RE | R | N | 20 ft | 584 ac-ft | 0 acres | 1972 | TX04210 | SECOND DAVIDSON CREEK | 30.5039 | -96.7656 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKELAND LAKE DAM | TX | H | Non-failure | 04/12/1983 | Structural Stability | Sliding | TX04778-2799 | SLIDE | L | RE | R | N | 9 ft | 192 ac-ft | 22 acres | 1925 | TX04778 | OFF CH-HAGGERTY BRANCH | 30.1906 | -95.1764 | 0 | N | TX DEQ | |||||||||||||||||
CANTON OLD CITY LAKE DAM | TX | H | Non-failure | 12/03/1982 | Deterioration Or Poor Condition | Animal Activity | TX04400-2800 | ANIMAL BURROWS | L | RE | R | Y | 18 ft | 220 ac-ft | 17 acres | 1930 | TX04400 | TR-DRY CREEK | 32.5584 | -95.872 | 1984 | TCEQ | TX DEQ | |||||||||||||||||
GRACE LAKE DAM NO 1 | TX | L | Non-failure | 06/01/1982 | Unknown | Spillway Deficiency | TX03192-2801 | E.S. FAILED | P | RE | S | NR | 39 ft | 577 ac-ft | 27 acres | 1961 | TX03192 | TR-WEST FORK TRINITY RIVER | 33.292 | -97.9597 | 0 | TCEQ | TX DEQ | |||||||||||||||||
MEADOWS LAKES EAST LAKE DAM | TX | H | Non-failure | 05/28/1982 | Unknown | Spillway Deficiency | TX05790-2802 | SPWY FAILED | P | RE | R | N | 19 ft | 129 ac-ft | 0 acres | 1959 | TX05790 | TR-BIG FOSSIL CREEK | 32.8332 | -97.2478 | 0 | TCEQ | TX DEQ | |||||||||||||||||
HONEY GROVE CITY LAKE DAM | TX | L | Non-failure | 05/13/1982 | Deterioration Or Poor Condition | Animal Activity | TX00422-2803 | BEAVER DEN | L | RE | R | NR | 23 ft | 450 ac-ft | 37 acres | 1902 | TX00422 | TR-HONEY GROVE CREEK | 33.6029 | -95.9054 | 0 | TCEQ | TX DEQ | |||||||||||||||||
SPRING LAKE DAM | TX | H | Non-failure | 04/01/1982 | Unknown | Spillway Deficiency | TX00124-2804 | SERVICE SPWY | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE DE LAFOSSE DAM | TX | S | Non-failure | 10/13/1981 | Hydrologic/flooding | Overtopping | TX03114-2805 | OVERTOPPED | P | RE | R | Y | 24 ft | 1187 ac-ft | 0 acres | 1925 | TX03114 | DRY BRANCH | 32.7332 | -99.1085 | 1982 | TCEQ | TX DEQ | |||||||||||||||||
LAKE PENNINGTON DAM | TX | L | Non-failure | 09/01/1981 | Hydrologic/flooding | Overtopping | TX00505-2807 | OVERTOPPED | P | RE | NR | 28 ft | 550 ac-ft | 30 acres | 1956 | TX00505 | LOUISVILLE CREEK | 31.1743 | -95.1855 | 0 | TCEQ | TX DEQ | ||||||||||||||||||
OLD MILL DAM | TX | L | Non-failure | 06/17/1981 | Unknown | Unknown | TX03446-2808 | COLLAPSED | L | CN | IS | NR | 15 ft | 108 ac-ft | 18 acres | 1963 | TX03446 | NORTH BOSQUE RIVER | 31.795 | -97.5765 | 0 | N | TX DEQ | |||||||||||||||||
MADRONA RANCH LAKE DAM | TX | S | Non-failure | 06/14/1981 | Hydrologic/flooding | Overtopping | TX05851-2809 | OVERTOPPED | P | RE | R | N | 30 ft | 140 ac-ft | 0 acres | 1968 | TX05851 | RED BLUFF CREEK | 29.7406 | -98.863 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE GILEAD DAM | TX | L | Non-failure | 05/16/1981 | Unknown | Spillway Deficiency | TX05092-2810 | SPWY FAILURE | P | RE | IR | NR | 19 ft | 1365 ac-ft | 84 acres | 1982 | TX05092 | MILL CREEK | 32.763 | -95.2558 | 0 | TCEQ | TX DEQ | |||||||||||||||||
H & H FEED LOT DAM | TX | L | Non-failure | 09/01/1980 | Hydrologic/flooding | Overtopping | TX02731-2811 | OVERTOPPED | P | RE | O | NR | 35 ft | 300 ac-ft | 16 acres | 1960 | TX02731 | COTTONWOOD CREEK | 32.4814 | -100.595 | 0 | N | TX DEQ | |||||||||||||||||
MCCARTY LAKE DAM | TX | S | Non-failure | 08/04/1978 | Hydrologic/flooding | Overtopping | TX03117-2816 | OVERTOPPED | L | RE | S | Y | 50 ft | 6696 ac-ft | 263 acres | 1942 | TX03117 | SALT PRONG HUBBARD CREEK | 32.6582 | -99.3597 | 1980 | TCEQ | TX DEQ | |||||||||||||||||
RIVERWOOD ACRES DAM | TX | S | Non-failure | 04/19/1977 | Hydrologic/flooding | Overtopping | TX09273-2818 | OVERTOPPED | P | RE | R | N | 13 ft | 22 ac-ft | 0 acres | 1800 | TX09273 | TR-COLORADO RIVER | 30.1242 | -97.3424 | 0 | N | TX DEQ | |||||||||||||||||
BART LAKE DAM | TX | L | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00121-2819 | OVERTOPPED | P | RE | R | NR | 20 ft | 214 ac-ft | 8 acres | 1955 | TX00121 | MCRAE CREEK | 30.3715 | -95.3387 | 0 | N | TX DEQ | |||||||||||||||||
MCRAE DAM | TX | H | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00135-2820 | OVERTOPPED | P | RE | R | Y | 20 ft | 305 ac-ft | 17 acres | 1960 | TX00135 | MCRAE CREEK | 30.3845 | -95.338 | 0 | TCEQ | TX DEQ | |||||||||||||||||
SPRING LAKE DAM | TX | H | Non-failure | 06/13/1973 | Hydrologic/flooding | Overtopping | TX00124-2821 | OVERTOPPED | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX DEQ | |||||||||||||||||
ANZALDUAS DIVERSION | TX | H | Non-failure | 02/01/1972 | Malfunction Of Equipment/gate | Gate/valve Failure | TX07036-2822 | GATE FAILURE | F | CN | CI | Y | 23 ft | 16400 ac-ft | 1287 acres | 1960 | TX07036 | RIO GRANDE | 26.137 | -98.334 | 0 | N | TX DEQ | |||||||||||||||||
COLEMAN DAM | TX | H | Non-failure | 01/01/1971 | Structural Stability | Cracking | TX02152-2823 | SETTLEMENT AND CRACKING | L | RE | ISRO | Y | 90 ft | 91680 ac-ft | 1886 acres | 1966 | TX02152 | JIM NED CREEK | 32.0314 | -99.4651 | 0 | TCEQ | TX DEQ | |||||||||||||||||
ALAMO ARROYO WS SCS SITE 2 DAM | TX | H | Non-failure | 01/01/1970 | Seepage/internal Erosion | Piping | TX01949-2824 | PIPING | L | RE | CI | N | 48 ft | 6144 ac-ft | 30 acres | 1960 | TX01949 | ALAMO ARROYO | 31.4051 | -105.818 | 0 | N | TX DEQ | |||||||||||||||||
VICTOR BRAUNIG DAM | TX | H | Non-failure | 12/21/1969 | Structural Stability | Cracking | Sliding | TX01432-2825 | CRACKS AND SLIDES | L | RE | HRO | Y | 76 ft | 32324 ac-ft | 1350 acres | 1963 | TX01432 | ARROYO SECO | 29.2461 | -98.3645 | 0 | TCEQ | TX DEQ | ||||||||||||||||
LAKE LONDA LYNN DAM | TX | H | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00034-2826 | OVERTOPPED | P | RE | R | N | 23 ft | 905 ac-ft | 53 acres | 1966 | TX00034 | SALLY CREEK | 30.5595 | -94.8821 | 2009 | TCEQ | TX DEQ | |||||||||||||||||
LAKE DONNA DAM | TX | L | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00036-2827 | OVERTOPPED | P | RE | R | NR | 21 ft | 145 ac-ft | 5 acres | 1963 | TX00036 | TR-WEST FORK DOUBLE BRANCH | 30.6864 | -94.756 | 0 | TCEQ | TX DEQ | |||||||||||||||||
LAKE MARK DAM | TX | L | Non-failure | 05/06/1969 | Hydrologic/flooding | Overtopping | TX00037-2828 | OVERTOPPED | P | RE | R | NR | 23 ft | 290 ac-ft | 10 acres | 1964 | TX00037 | TR-WEST FORK DOUBLE BRANCH | 30.6749 | -94.7424 | 0 | TCEQ | TX DEQ | |||||||||||||||||
EAGLE MOUNTAIN DAM | TX | H | Non-failure | 12/01/1967 | Structural Stability | Slope Stability | TX00779-2829 | LIQUIFACTION DURING EXCAVATION | S | RE | IS | Y | 85 ft | 680335 ac-ft | 6160 acres | 1932 | TX00779 | WEST FORK TRINITY RIVER | 32.8739 | -97.461 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RIPS LAKE DAM | TX | S | Non-failure | 09/22/1967 | Hydrologic/flooding | Overtopping | TX03169-2830 | OVERTOPPED | P | RE | S | NR | 11 ft | 106 ac-ft | 15 acres | 1968 | TX03169 | OAK HOLLOW | 28.9694 | -98.4431 | 0 | N | TX DEQ | |||||||||||||||||
WINDTHORST LAKE DAM | TX | S | Non-failure | 05/01/1965 | Seepage/internal Erosion | Piping | TX02870-2831 | PIPING | L | RE | S | Y | 32 ft | 3268 ac-ft | 0 acres | 1964 | TX02870 | EAST-LITTLE POST OAK CREEK | 33.5459 | -98.3938 | 1985 | TCEQ | TX DEQ | |||||||||||||||||
WACO LAKE | TX | H | Non-failure | 10/10/1961 | Structural Stability | Sliding | TX00016-2832 | SLIDING | F | RE | SRC | Y | 140 ft | 969000 ac-ft | 7270 acres | 1965 | TX00016 | BOSQUE RIVER | 31.6 | -97.2167 | 0 | N | TX DEQ | |||||||||||||||||
ALAMO ARROYO WS SCS SITE 2 DAM | TX | H | Non-failure | 01/01/1960 | Seepage/internal Erosion | Piping | TX01949-2834 | PIPING | L | RE | CI | N | 48 ft | 6144 ac-ft | 30 acres | 1960 | TX01949 | ALAMO ARROYO | 31.4051 | -105.818 | 0 | N | TX DEQ | |||||||||||||||||
LAKE FRYER DAM | TX | H | Non-failure | 05/16/1947 | Unknown | Spillway Deficiency | TX03890-2835 | SPWY COLLAPSE | L | RE | R | N | 40 ft | 2792 ac-ft | 90 acres | 1939 | TX03890 | WOLF CREEK | 36.2201 | -100.64 | 1957 | TCEQ | TX DEQ | |||||||||||||||||
DIXIE LAKE DAM | TX | S | Non-failure | 12/23/1939 | Hydrologic/flooding | Overtopping | TX00329-2837 | OVERTOPPED | P | RE | R | N | 17 ft | 1420 ac-ft | 122 acres | 1943 | TX00329 | LITTLE SIXMILE CREEK | 32.1281 | -94.3657 | 0 | TCEQ | TX DEQ | |||||||||||||||||
TOM MILLER DAM | TX | H | Non-failure | 09/01/1915 | Hydrologic/flooding | Overtopping | TX01086-2840 | OVERTOPPED | L | CNPG | IHSR | Y | 85 ft | 115404 ac-ft | 1830 acres | 1939 | TX01086 | COLORADO RIVER | 30.2941 | -97.7864 | 2005 | TCEQ | TX DEQ | |||||||||||||||||
TOM MILLER DAM | TX | H | Non-failure | 04/07/1900 | Hydrologic/flooding | Overtopping | TX01086-2841 | OVERTOPPED | L | CNPG | IHSR | Y | 85 ft | 115404 ac-ft | 1830 acres | 1939 | TX01086 | COLORADO RIVER | 30.2941 | -97.7864 | 2005 | TCEQ | TX DEQ | |||||||||||||||||
T AND P LAKE DAM | TX | L | Failure | 12/30/2015 | Hydrologic/flooding | Overtopping | TX00361-2842 | 0 | none | L | RE | SR | NR | 10 ft | 76 ac-ft | 15 acres | 1915 | TX00361 | TR-RICE CREEK | 33.4661 | -94.4452 | 0 | TCEQ | TX CEQ | ||||||||||||||||
LONE TREE DAM | NE | L | Failure | 05/01/2015 | Hydrologic/flooding | Overtopping | NE00815-2843 | No | 0 | 0 | 0 | 0 | Roads | Unknown | 504 ac-ft | Principal spillway removed in 1980's, so auxiliary spillway was only spillway. Reservoir maintained at higher than designed level. Resulted in severe wave erosion into crest of dam prior to breaching. Damage to downstream rural roads and downstream pastures and fencelines | P | RE | I | NR | 19 ft | 504 ac-ft | 46 acres | 1954 | NE00815 | LONE TREE CREEK | 42.9161 | -103.316 | 0 | NE DNR | No | NE DNR | ||||||||
MADER DAM NO 1 | NE | L | Failure | 01/01/2012 | Seepage/internal Erosion | Piping | NE01099-2844 | No | 0 | 0 | 0 | 0 | None | Unknown | Dam had an auxiliary spillway but no principal spillway. Breach was found during routine periodic inspection in October 2014. | P | RE | I | NR | 25 ft | 238 ac-ft | 21 acres | 1947 | NE01099 | TR-INDIAN CREEK | 42.987 | -103.814 | 0 | NE DNR | No | NE DNR | |||||||||
WRIGHT S DAM | FL | S | Failure | 09/13/2017 | Hydrologic/flooding | Unknown | FL00154-2847 | Failed during Hurricane Irma | P | RE | OP | N | 25 ft | 874 ac-ft | 0 acres | 1973 | FL00154 | PETERS CREEK | 30.02 | -81.75 | 0 | FL DEP | ||||||||||||||||||
WALKER DAM | FL | L | Failure | 09/13/2017 | Hydrologic/flooding | Unknown | FL00147-2848 | Failed during Hurricane Irma | P | RE | PR | N | 22 ft | 850 ac-ft | 0 acres | 1965 | FL00147 | PIGEON CREEK | 30.77 | -81.97 | 0 | |||||||||||||||||||
WILSON C. | OK | L | Failure | 06/17/2015 | Manmade Action | Overtopping | Accident Or Misoperation | OK20735-2849 | The dam was overtoped due to unpermitted spillway modification. | No | 0 | 0 | 0 | 0 | Roads | Unknown | 72 ac-ft | State HW 102 rehabilitation was completed within a week of the incident. The highway was overtoped but sustain minor damage. | P | O | NR | 24 ft | 72 ac-ft | 4 acres | 1970 | OK20735 | TR-JIM CREEK | 35.1954 | -97.0536 | 0 | OWRB | No | OK WRB | |||||||
WILLOW RIVER | MN | S | Failure | 07/13/2016 | Hydrologic/flooding | Overtopping | MN00544-2850 | Overtopping of dam due to over 7 inches of rain in less than 24 hours. Right earthen abutment failed. | No | 0 | 0 | Voluntary evacuation. Access road to right abutment was washed out. | S | PG | O | NR | 26 ft | 672 ac-ft | 84 acres | 1941 | MN00544 | WILLOW RIVER | 46.3236 | -92.8392 | 2002 | MNDNR WATERS | MNDNR | |||||||||||||
HUMBIRD | WI | L | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI00108-2851 | High water event of Sept. 6, 2015 resulted in settlement of rip rap behind both left and right abutment walls. Earthen embankments ovetopped | High water event of Sept. 6, 2015 resulted in settlement of rip rap behind both left and right abutment walls. Earthen embankments ovetopped and scour was noted downstream of dam at the roadway bridge. Administrative order issued 9-9-2015 by Stephenson to drawdown the dam and hire and engineer to repair. | L | PGRE | R | N | 19 ft | 200 ac-ft | 33 acres | 1871 | WI00108 | EAST FORK HALLS CREEK | 44.5252 | -90.892 | 1936 | WIDNR | WI DNR | ||||||||||||||||
WEDGES CREEK | WI | L | Non-failure | 09/08/2015 | Hydrologic/flooding | Overtopping | WI00110-2852 | Heavy rains overtopped the embankment causing scour on d/s slope | Heavy rains in the watershed of the Wedges Creek Dam during the evening of September 6, 2015 overtopped the earthen embankment of this dam and a couple of scour area developed on the downstream side of the concrete approach walkway. These scour areas have resulted in a loss of cross-sectional area of the dam at these locations. | L | PGRE | R | Y | 14 ft | 110 ac-ft | 20 acres | 1930 | WI00110 | 44.5739 | -90.7222 | 1994 | WIDNR | WI DNR | |||||||||||||||||
TRUSSAMS POND DAM | DE | S | Non-failure | 09/30/2016 | Hydrologic/flooding | Spillway Erosion/head Cutting | Overtopping | DE00019-2861 | An extreme rainfall event resulted in excessive flow over the spillway which caused erosion behind and partial failure of the training walls. This also caused embankment erosion on left and right side of the downstream bridge. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | EAP procedures were followed but it was not "officially" activated | S | REPG | R | N | 12 ft | 665 ac-ft | 38 acres | 0 | DE00019 | JAMES BRANCH | 38.5258 | -75.5117 | 0 | DNREC | 18:00 | 1 day | Yes | Dam is located at a State Park. DelDOT and State Park staff were on site during the incident. | |||||
GLEN LAKE DAM | NJ | H | Failure | 01/28/2015 | Seepage/internal Erosion | Piping | NJ00307-2862 | piping failure through embankment adjacent to concrete spillway | No | 0 | 0 | 39 ac-ft | P | PGRE | R | Y | 12 ft | 66 ac-ft | 14 acres | 1922 | NJ00307 | WALLKILL RIVER | 41.0392 | -74.6074 | 0 | NJDEP | NJ DEP | |||||||||||||
NEW JERSEY NO NAME # 32 DAM | NJ | S | Non-failure | 08/05/2014 | Hydrologic/flooding | Erosion | NJ00520-2863 | erosion of subgrade under articulated concrete block at auxiliary spillway | 0 | 0 | P | PGRE | R | Y | 40 ft | 166 ac-ft | 15 acres | 1967 | NJ00520 | SOUTH BRANCH RARITAN RIVER | 40.5893 | -74.9022 | 0 | NJDEP | NJ DEP | |||||||||||||||
RICHLAND CREEK WS SCS SITE 6A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00433-2871 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 24 ft | 1036 ac-ft | 35 acres | 1964 | TX00433 | TR-NORTH FORK PIN OAK CREEK | 31.8203 | -96.7322 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 6 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00434-2872 | SPILLWAY DAMAGE | L | RE | C | NR | 30 ft | 516 ac-ft | 17 acres | 1964 | TX00434 | TR-NORTH FORK PIN OAK CREEK | 31.8284 | -96.7323 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 49 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00437-2873 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 28 ft | 329 ac-ft | 13 acres | 1961 | TX00437 | TR-RICHLAND CREEK | 32.0036 | -96.8563 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 45 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00440-2874 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 30 ft | 414 ac-ft | 0 acres | 1961 | TX00440 | TR-RICHLAND CREEK | 32.0568 | -96.9137 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 63 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00441-2875 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 58 ft | 2778 ac-ft | 32 acres | 1965 | TX00441 | GROVE CREEK | 32.0001 | -96.9873 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 46 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX00442-2876 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 27 ft | 309 ac-ft | 11 acres | 1961 | TX00442 | TR-RICHLAND CREEK | 32.0436 | -96.9001 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 6J2 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00549-2877 | SPILLWAY DAMAGE | LP | RE | C | NR | 46 ft | 641 ac-ft | 10 acres | 1957 | TX00549 | WILDCAT CREEK | 33.5915 | -97.3537 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 7A DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00571-2878 | SEVERE SPILLWAY DAMAGE | LP | RE | C | NR | 50 ft | 2424 ac-ft | 45 acres | 1958 | TX00571 | DRY ELM CREEK | 33.7018 | -97.3634 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 7B DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00572-2879 | SPILLWAY DAMAGE | LP | RE | C | NR | 50 ft | 1498 ac-ft | 12 acres | 1957 | TX00572 | SQUIRREL CREEK | 33.6781 | -97.3411 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 7D DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00574-2880 | SPILLWAY DAMAGE | LP | RE | C | NR | 44 ft | 1628 ac-ft | 32 acres | 1958 | TX00574 | TR-DRY ELM CREEK | 33.6553 | -97.2839 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 7G DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00577-2881 | SPILLWAY DAMAGE | LP | RE | C | NR | 45 ft | 411 ac-ft | 7 acres | 1959 | TX00577 | TR-DRY ELM CREEK | 33.6825 | -97.3288 | 0 | TCEQ | ||||||||||||||||||
ELM FORK WS SCS SITE 1 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX00712-2882 | SEVERE SPILLWAY EROSION | LP | RE | C | NR | 52 ft | 1680 ac-ft | 18 acres | 1954 | TX00712 | COPELAND CREEK | 33.6654 | -97.4887 | 0 | TCEQ | ||||||||||||||||||
EAST FORK ABOVE LAVON WS SCS SITE 10 DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX01153-2883 | SPILLWAY DAMAGE | L | RE | CRP | Y | 43 ft | 778 ac-ft | 14 acres | 1952 | TX01153 | TR-HONEY CREEK | 33.3184 | -96.6792 | 0 | TCEQ | ||||||||||||||||||
LOWER BRUSHY CREEK WS SCS SITE 2 DAM | TX | L | Non-failure | 05/26/2015 | Structural Stability | Sliding | TX01335-2884 | SLIDES | L | RE | CP | NR | 34 ft | 710 ac-ft | 19 acres | 1960 | TX01335 | TR-TURKEY CREEK | 30.6204 | -97.3388 | 0 | TCEQ | ||||||||||||||||||
LOWER BRUSHY CREEK WS SCS SITE 7 DAM | TX | L | Non-failure | 05/26/2015 | Structural Stability | Sliding | TX01346-2885 | SLIDES | L | RE | CIP | NR | 34 ft | 547 ac-ft | 15 acres | 1960 | TX01346 | TR-TURKEY CREEK | 30.6452 | -97.2906 | 0 | TCEQ | ||||||||||||||||||
DENTON CREEK WS SCS SITE 26 DAM | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX01473-2886 | SEVERE SPILLWAY DAMAGE | L | RE | CI | NR | 40 ft | 2360 ac-ft | 39 acres | 1963 | TX01473 | MORRIS BRANCH | 33.1854 | -97.4177 | 0 | TCEQ | ||||||||||||||||||
DENTON CREEK WS SCS SITE 23A DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX01509-2887 | SEVERE SPILLWAY DAMAGE | L | RE | C | N | 53 ft | 2274 ac-ft | 27 acres | 1963 | TX01509 | CATLETT CREEK | 33.2728 | -97.5585 | 0 | TCEQ | ||||||||||||||||||
DENTON CREEK WS SCS SITE 23B DAM | TX | H | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX01510-2888 | SEVERE SPILLWAY DAMAGE | L | RE | C | N | 55 ft | 1969 ac-ft | 24 acres | 1963 | TX01510 | TR-CATLETT CREEK | 33.2668 | -97.5607 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 5 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01575-2889 | SPILLWAY DAMAGE | L | RE | CI | Y | 38 ft | 3368 ac-ft | 41 acres | 1963 | TX01575 | BUNTON BRANCH | 30.0024 | -97.8395 | 2012 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 10 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01577-2890 | SPILLWAY DAMAGE | L | RE | C | Y | 36 ft | 1309 ac-ft | 33 acres | 1963 | TX01577 | BRUSHY CREEK | 30.0631 | -97.8003 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 11 DAM | TX | L | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01578-2891 | SPILLWAY DAMAGE | L | RE | IR | NR | 37 ft | 2250 ac-ft | 39 acres | 1962 | TX01578 | TR-BRUSHY CREEK | 30.0466 | -97.7746 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 12 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01579-2892 | SPILLWAY DAMAGE | L | RE | C | Y | 28 ft | 2936 ac-ft | 55 acres | 1963 | TX01579 | BRUSHY CREEK | 30.0359 | -97.7727 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 1 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01582-2893 | SPILLWAY DAMAGE | L | RE | CR | Y | 33 ft | 1706 ac-ft | 24 acres | 1966 | TX01582 | PLUM CREEK | 30.0194 | -97.8791 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 2 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX01589-2894 | SPILLWAY DAMAGE | L | RE | C | Y | 38 ft | 1603 ac-ft | 43 acres | 1969 | TX01589 | TR-PLUM CREEK | 29.9842 | -97.8574 | 0 | TCEQ | ||||||||||||||||||
ETOWAH RIVER SUBWATERSHED STRUCTURE #1 | GA | H | Non-failure | 02/22/2019 | Hydrologic/flooding | High Reservoir Level | GA06128-3349 | Program took call that the lake had risen 25 feet and about to overtop, but staff found no problem. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Program visited site. | Emergency spillway was functioning as designed. | S | RE | R | Y | 48 ft | 1691 ac-ft | 46 acres | 1969 | GA06128 | BREWTON CREEK | 34.3153 | -84.1964 | 0 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | ||||||||
LAKE O HILLS | AK | Failure | 04/29/1972 | Seepage/internal Erosion | Piping | AK00000-127 | No | 1 | piping failure at a low level outlet made of 55 gallon drums welded end to end Fatalities: 1 - 10-year-old boy | 0 ft | 0 ac-ft | 0 acres | 0 | AK00000 | 0 | 0 | 0 | |||||||||||||||||||||||
WALNUT GROVE | AZ | H | Failure | 01/01/1890 | Unknown | Spillway Deficiency | AZ00000-103 | No | Destroyed town of Seymour (pop: <10); huge economic losses in Wickenburg; washed out new 25-high diversion dam 12 miles downstream. Inadequate spillway that was able to pass only about 4% of the flood flow at the time of failure; spillway terminated a. Jim Liggett, Cornell University http://roadrunnergold.com/PDF_Files/2006%20Newsletters/2006July-a_web.pdf Fatalities: - Unknown; most likely +/- 70, although published estimates range from 10-150 | ER | 110 ft | 0 ac-ft | 0 acres | 0 | AZ00000 | HASSAYAMPA | 0 | 0 | 0 | |||||||||||||||||||||
LYMAN | AZ | Failure | 04/14/1915 | Seepage/internal Erosion | Piping | AZ00000-204 | No | 8 | $500,000 to $1 million | Fatalities: 8 - | 0 ft | 0 ac-ft | 0 acres | 0 | AZ00000 | LITTLE COLORADO | 0 | 0 | 0 | |||||||||||||||||||||
SWEETWATER | CA | Failure | 01/27/1916 | Unknown | Unknown | CA00000-115 | No | The dam at Sweetwater Reservoir fails releasing 13 billion gallons of water.. Dam constructed in 1888 | 0 ft | 0 ac-ft | 0 acres | 0 | CA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SAN FERNANDO | CA | Failure | 02/09/1971 | Seismic | Unknown | CA00000-124 | Yes | 80000 | Incident. 142-high, 2,100-long hydraulic fill dam constructed 1912-1915; Quake caused slide in upstream slope that lowered the crest ~ 30; reservoir drawn down over 3 days. | HF | 142 ft | 0 ac-ft | 0 acres | 0 | CA00000 | 0 | 0 | 0 | ||||||||||||||||||||||
SUNBEAM LAKE DAM | CA | Non-failure | 04/04/2010 | Seismic | Sinkhole | CA00000-1338 | damaged from magnitude 7.2 earthquake/small sinkhole near outlet structure, formation of fissures near dam | 0 | 0 | closed minor roadway | RE | R | 0 ft | 0 ac-ft | 0 acres | 0 | CA00000 | OFFSTREAM | 33 | -116 | 0 | CA DSOD | ||||||||||||||||||
SALINAS RIVER DIVERSION | CA | L | Non-failure | 06/17/2011 | Seepage/internal Erosion | Erosion | CA00000-1383 | High flows through the regulating Obermeyer gate scoured and piped the left abutment area. A sinkhole formed in the left abutment, downstream of the dam. A void underneath the fish ladder and material piped into river. | 0 | 0 | None | I | 16 ft | 0 ac-ft | 0 acres | 2006 | CA00000 | SALINAS | 37 | -122 | 0 | CA DSOD | ||||||||||||||||||
SHEFFIELD | CA | Failure | 06/01/1925 | Seismic | Other | CA00000-188 | the dam failed by liquefaction, a fact borne out by the following paper: https://cedb.asce.org/CEDBsearch/record.jsp?dockey=0016249 | No | Precise date unknown. 25-high hydraulic fill dam, 7 miles from the epicenter of a 6.3 Richter magnitude quake. The embankment & foundation were comprised primarily of loose silty sand, & seepage had saturated the foundation & lower part of the fill, res https://projects.eri.ucsb.edu/sb_eqs/1925/sheffield.html https://cedb.asce.org/CEDBsearch/record.jsp?dockey=0016249 | HF | 25 ft | 92 ac-ft | 0 acres | 1917 | CA00000 | 0 | 0 | 0 | Yes | |||||||||||||||||||||
ST. FRANCIS | CA | H | Failure | 03/12/1928 | Structural Stability | Foundation Deficiency | CA00000-189 | There was poor foundation material and sliding planes on the Left abutment. At the time of the incident there was also concerns with the congolomerate on the right abutment but most experts now belive the failure iniciated on the left. | No | 600 | $5 million to $10 million | 38000 ac-ft | 23,500 acres of farmland flooded. Most likely cause: instability of underlying soil, Fatalities: 600 - Over 600 killed. | S | N | 205 ft | 38000 ac-ft | 0 acres | 1926 | CA00000 | 0 | 0 | 0 | Yes | Damfailures.org, Floodpath by Jon Wilkman | |||||||||||||||
LOWER OTAY | CA | Failure | 01/21/1916 | Hydrologic/flooding | Overtopping | CA00000-206 | No | 30 | Overtopping, Failed on first filling.Inadequate spillway capacity Fatalities: 30 - | 0 ft | 0 ac-ft | 0 acres | 0 | CA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
BALDWIN HILLS | CA | Failure | 12/14/1963 | Seepage/internal Erosion | Piping | CA00000-209 | No | 5 | 16500 | Destroyed 65 houses; miles of streets, waterpipes, sewers & gas lines, damaged hundreds of houses & apartments. Water supply for Los Angeles. 232 high, 650 long dam. Impoundment: 20 acres, 70 deep Fatalities: 5 - Advance warning enabled evac of approx 16,500; 27 injured | RE | 232 ft | 0 ac-ft | 0 acres | 0 | CA00000 | 0 | 0 | 0 | |||||||||||||||||||||
GRACIE CREEK ROAD DAM | NE | L | Failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE02661-1228 | severe storm and overtopping | No | 0 | 0 | Roads | 142 ac-ft | The failure of the upstream Morgan Dam likely contributed to the overtopping and failure of this dam. A two-lane state highway which ran along the top of the dam was washed out.A two-lane state highway which ran along the top of the dam was washed out. A two-lane state highway which ran along the top of the dam was washed out. | F | RE | 20 ft | 0 ac-ft | 0 acres | 1980 | NE02661 | 0 | 0 | 2003 | ||||||||||||||||
SHELBURNE | NH | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NH00052-1148 | High flows overtopped the dam,eroded abutments and downstream of cutoff walls and flooded powerhouse | Irene | 0 | 0 | Bridges | 0 ac-ft | Lost power generation from dam. Minor damage to North Road bridge immediately downstream of dam. Short term closing of North Road bridge due to overtopping | P | CNPG | HC | NR | 17 ft | 960 ac-ft | 210 acres | 1906 | NH00052 | ANDROSCOGGIN RIVER | 44.4042 | -71.1157 | 1990 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | Y | |||||||||||
CAMPTON POND HYDRO DAM | NH | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NH00130-1143 | overtopping of the left side upstream training wall, earthen portion | Irene | Yes | 200 | 0 | Roads | 0 ac-ft | many mobile homes received flooding to the underneath areas, insulation etc. Mobile home community evacuated, Per fire chief 90 homes, 200 people Youtube video of the dam can be found with "Campton dam" search | F | CN | H | Y | 39 ft | 650 ac-ft | 60 acres | 1890 | NH00130 | MAD RIVER | 43.8619 | -71.6325 | 2004 | 12:00 AM | Y | ||||||||||
COY PAPER MILL | NH | S | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NH00140-1144 | Water up to decks of plant | Irene | Yes | 0 | 0 | 0 ac-ft | P | CNPG | H | Y | 32 ft | 150 ac-ft | 17 acres | 1922 | NH00140 | SUGAR RIVER | 43.3905 | -72.3766 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | 12:00 AM | ||||||||||||
DELLS POND OUTLET DAM | NH | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Sinkhole | NH00145-1147 | Sinkhole developed adjacent to the usptream left spillway abutment wall | Irene | Yes | 0 | 0 | L | ER | R | Y | 20 ft | 80 ac-ft | 3 acres | 1935 | NH00145 | DELLS BROOK | 44.3122 | -71.7977 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | Y | |||||||||||||
GLEN ROAD | NH | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NH00159-1146 | EAP activation, dam is overflowing | Irene | Yes | 0 | P | CNPG | H | Y | 16 ft | 10 ac-ft | 2 acres | 1988 | NH00159 | MASCOMA RIVER | 43.635 | -72.3043 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | 12:00 AM | ||||||||||||||
GORHAM | NH | L | Non-failure | 10/17/2013 | Deterioration Or Poor Condition | Spillway Chute Failure | NH00191-1820 | Appears structural members supporting upstream facing (timber crib design) in lower left section of spillway had given way resulting in a "V" shaped depression/void in the timber facing. Flow from this void exited through the downstream apron drains. | 0 | 0 | None | NONE | Structural concerns found on upstream face of timber crib dam during dive inspection. | P | TCERRE | H | NR | 24 ft | 370 ac-ft | 45 acres | 1904 | NH00191 | ANDROSCOGGIN RIVER | 44.4082 | -71.1952 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | Y | ||||||||||||
CUMMINS POND DAM | NH | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NH00462-1145 | Local first responders assisted the dam owner with sandbagging the dam's crest to avoid overtopping. Owner also excavated a 20" wide channel away from dam to allow for additional outflow. Freeboard at the dam reduced to 1" during the height of the storm | Irene | Yes | 0 | 0 | None | none | 0 ac-ft | P | ER | R | NR | 13 ft | 1090 ac-ft | 136 acres | 1880 | NH00462 | MASCOMA RIVER | 43.7777 | -72.0155 | 2008 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | 12:00 AM | Y | |||||||||
LINCOLN SEWAGE LAGOON | NH | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Unknown | NH00590-1149 | Visited the site 8/31/11 from 8am to 8:30 am to inspect river revetment system for damage. High flows caused further erosion of the revetment and completely failed a culvert headwall. Lagoon was not breached. | Irene | Yes | 0 | 0 | 0 ac-ft | L | ER | O | NR | 19 ft | 126 ac-ft | 10 acres | 1987 | NH00590 | NA | 44.0372 | -71.6741 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | Y | ||||||||||||
CUSHMAN | WI | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | WI00000-181 | No | Four of the dams were state regulated, NID sized structures (Cushman, Carlin, Figor and Wyocena) while one was an unauthorized dam. All of the failures were related to embankment breaches and resulted in total loss of the impoundments. Three of the fail | RE | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | |||||||||||||||||||||||
CARLIN | WI | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | WI00000-182 | No | Four of the dams were state regulated, NID sized structures (Cushman, Carlin, Figor and Wyocena) while one was an unauthorized dam. All of the failures were related to embankment breaches and resulted in total loss of the impoundments. Three of the fail | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
FIGOR | WI | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | WI00000-183 | No | Four of the dams were state regulated, NID sized structures (Cushman, Carlin, Figor and Wyocena) while one was an unauthorized dam. All of the failures were related to embankment breaches and resulted in total loss of the impoundments. Three of the fail | RE | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | |||||||||||||||||||||||
WYOCENA | WI | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | WI00000-184 | No | Four of the dams were state regulated, NID sized structures (Cushman, Carlin, Figor and Wyocena) while one was an unauthorized dam. All of the failures were related to embankment breaches and resulted in total loss of the impoundments. Three of the fail | RE | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | |||||||||||||||||||||||
LAKE DELTON | WI | Failure | 01/01/2008 | Unknown | Unknown | WI00000-185 | No | Not the failure of a dam but the failure of a land mass that lay between the impoundment and an adjacent river. The breached area is being rebuilt as a dam and the original dam on the impoundment, Dell Creek, is receiving significant upgrades. | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
BROKAW | WI | Failure | 07/23/1912 | Unknown | Spillway Deficiency | WI00000-202 | No | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
MCDILL | WI | S | Non-failure | 06/10/2011 | Seepage/internal Erosion | Piping | WI00176-1330 | Depression was noted in downstream embankment adjacent to the outlet structure. Die testing showed evidence of piping through embankment. Drawdown was initiated. | No | 0 | 0 | None | Temporary closure of County Highway over dam | L | CNRE | Y | 20 ft | 2160 ac-ft | 261 acres | 1855 | WI00176 | PLOVER | 44.4928 | -89.5558 | 1962 | WIDNR | Y | |||||||||||||
BONG RECREATION AREA 8 | WI | L | Non-failure | 04/12/2013 | Hydrologic/flooding | Spillway Pipe Failure | WI01149-1580 | Water breached the dam's overflow pipe. High water has also washed away the soil surrounding the pipe. | Yes | 0 | 0 | Roads | 0 ac-ft | State highway closed | S | RE | R | N | 10 ft | 900 ac-ft | 158 acres | 1972 | WI01149 | TR. BRIGHTON CREEK | 42.625 | -88.1139 | 2015 | WIDNR | ||||||||||||
UNNAMED | WV | Failure | 08/09/1916 | Unknown | Unknown | WV00000-119 | No | 60 | Fatalities: 60 - 60-75 from flood (unknown if related to failure) | 0 ft | 0 ac-ft | 0 acres | 0 | WV00000 | 0 | 0 | 0 | |||||||||||||||||||||||
UNNAMED | WV | Failure | 08/09/1916 | Unknown | Spillway Deficiency | WV00000-120 | No | 60 | Fatalities: 60 - 60-75 from flood (unknown if related to failure) | 0 ft | 0 ac-ft | 0 acres | 0 | WV00000 | 0 | 0 | 0 | |||||||||||||||||||||||
UNNAMED | WV | Failure | 08/09/1916 | Unknown | Spillway Deficiency | WV00000-121 | No | 44 | $500,000 to $1 million | Fatalities: 44 - 44-60 from flood (unknown if related to failure) | 0 ft | 0 ac-ft | 0 acres | 0 | WV00000 | 0 | 0 | 0 | ||||||||||||||||||||||
BUFFALO CREEK | WV | Failure | 02/26/1972 | Unknown | Unknown | WV00000-126 | No | 125 | 1084 | over $100 million | Fatalities: 125 - | 0 ft | 0 ac-ft | 0 acres | 0 | WV00000 | 0 | 0 | 0 | |||||||||||||||||||||
FALLS RUN DAM | WV | U | Failure | 01/01/2008 | Unknown | Unknown | WV04932-179 | No | Breached by WVDEP after pipe clogged | P | RE | O | N | 31 ft | 16 ac-ft | 0 acres | 0 | WV04932 | TR-OF TYGART VALLEY RV | 39.4161 | -80.1611 | 0 | ||||||||||||||||||
IZAAK WALTON PARK DAM | VA | U | Non-failure | 08/15/2020 | Hydrologic/flooding | Overtopping | VA041039-3396 | Heavy rain resulted in overtopping | unknown | Unknown | Unknown | X | RE | R | N | 20 ft | 174 ac-ft | 0 acres | 0 | VA041039 | 37.4758 | -77.6294 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | ||||||||||||||
FALLING CREEK RESERVOIR DAM | VA | H | Non-failure | 08/15/2020 | Hydrologic/flooding | Overtopping | VA041015-3397 | Heavy rain resulted in overtopping | unknown | Unknown | Unknown | L | CB | R | Y | 34 ft | 1511 ac-ft | 92 acres | 0 | VA041015 | FALLING CREEK | 37.4618 | -77.4655 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
SWIFT CREEK RESERVOIR DAM | VA | H | Non-failure | 08/15/2020 | Hydrologic/flooding | Overtopping | VA041012-3398 | Heavy rain resulted in overtopping | unknown | Unknown | Unknown | L | RE | RS | Y | 44 ft | 50590 ac-ft | 1660 acres | 0 | VA041012 | SWIFT CREEK | 37.4177 | -77.648 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
LAKEVIEW | VA | H | Non-failure | 08/15/2020 | Hydrologic/flooding | Overtopping | Erosion | VA570001-3399 | Heavy rain resulted in overtopping and erosion outside of concrete wall of embankment | unknown | Unknown | Unknown | L | CNPG | HR | Y | 38 ft | 610 ac-ft | 38 acres | 1920 | VA570001 | SWIFT CREEK | 37.2717 | -77.4182 | 1991 | Yes | VA Dam Safety | |||||||||||||
CENTRAL CROSSING DAM | VA | L | Non-failure | 09/01/2020 | Structural Stability | Spillway Erosion/head Cutting | VA101026-3400 | Concrete spillway undermined and in danger of collapse | unknown | Unknown | Unknown | P | RE | R | Y | 32 ft | 125 ac-ft | 12 acres | 0 | VA101026 | TRIB TO MUNCUIN CREEK | 37.7407 | -77.1443 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
HESS CREEK DAM | AK | H | Non-failure | 04/28/2020 | Other | Debris Clogging | Reservoir Overfilling | AK00017-3458 | Low Level Outlet screen was clogged and reservoir overfilled during spring freshet. | No | 0 | 0 | 0 | Unknown | Dam owner coordinated with ADNR to breach the dam, and it will be deregulated in 2023. | Dam was breached intentionally in 2021 and will be deregulated in 2023. | P | RE | S | N | 56 ft | 10200 ac-ft | 0 acres | 1946 | AK00017 | SOUTH FORK HESS CREEK | 65.5933 | -148.392 | 0 | AKDNR | Yes | AKDNR | ||||||||
LONG LAKE DAM | AK | L | Non-failure | 09/27/2021 | Malfunction Of Equipment/gate | Gate/valve Failure | AK00044-3459 | A log damaged flashboards causing an overtopping event | No | 0 | 0 | 0 | Unknown | Dam owner repaired the flashboards | U | CNPG | H | NR | 30 ft | 147000 ac-ft | 1375 acres | 1973 | AK00044 | LONG RIVER | 58.1667 | -133.733 | 0 | AKDNR | Yes | AKDNR | ||||||||||
ROBBINS LAKE DAM | MS | U | Non-failure | 01/02/2020 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | Erosion | MS00104-3460 | 1‐3 ft overtopping, at least 3 large head cut erosion scalps on downstream slope. | N | 0 | 0 | 0 | 0 | 0 | 0 | County officials shut down one lane of traffic and maintained a lowered lake level until repairs could be completed. New culverts installed and backslope regraded and armored with grouted riprap. | L | RE | R | NR | 32 ft | 886 ac-ft | 36 acres | 1973 | MS00104 | ROBBINS BAYOU | 31.432 | -91.4046 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 7:30 pm | Y | MDEQ Dam Safety | |||||
LAKE TIAK O KHATA | MS | H | Non-failure | 05/01/2021 | Manmade Action | Slope Stability | Accident Or Misoperation | MS00189-3461 | Work was being done on the upstream slope for seepage; unstable crest slope began to slough away. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | Y | 33 ft | 650 ac-ft | 64 acres | 1954 | MS00189 | UNT OF HUGHES CREEK | 33.0958 | -89.0729 | 2010 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||
OKTIBBEHA COUNTY LAKE DAM | MS | H | Non-failure | 01/14/2020 | Hydrologic/flooding | Sliding | MS00338-3462 | 75 ft wide slide, 6-7 feet in depth to failure plane; previously repaired w/ improper soils. | County elected to lower lake level to reduce risk presented by structure until repairs can be completed. | L | RE | C | Y | 43 ft | 10430 ac-ft | 479 acres | 1965 | MS00338 | BIBA WITA CREEK | 33.507 | -88.932 | 2003 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Yes | MDEQ Dam Safety | |||||||||||||||
SOUTHWOOD LODGE LAKE DAM | MS | L | Non-failure | 01/03/2020 | Manmade Action | Erosion Of Spillway Chute | MS00430-3463 | Headcut in primary; new spillway cut for drainage and prevent loss of home adjacent to the spillway. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | NR | 25 ft | 720 ac-ft | 0 acres | 1969 | MS00430 | TR- TURKEY CREEK | 31.4606 | -91.2627 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | |||||||||
CONFEDERATE HEIGHTS GOLF LAKE DAM | MS | U | Failure | 04/20/2020 | Hydrologic/flooding | Spillway Deficiency | MS01294-3464 | Erosion of auxiliary - headcut advanced up spillway and drained pool from normal pool elevation. | N | 0 | 0 | 0 | 0 | 0 | 0 | 50 ac-ft | P | RE | R | NR | 25 ft | 350 ac-ft | 0 acres | 0 | MS01294 | 32.1482 | -90.1664 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
SPROUSE RESERVOIR DAM | NV | L | Failure | 08/06/2022 | Hydrologic/flooding | Spillway Deficiency | Overtopping | NV00000-3436 | Illegal dam with undersized auxiliary spillway was overtopped after a monsoonal storm rained 10-15 miles up valley from the dam. | No | 0 | 0 | 0 | 0 | Other | $1 to $100,000 | Owners watched the dam fail and flood their fields. State employees made a site visit the following Monday to investigate dam and failure. | 21.5 ac-ft | Irrigated fields flooded and irrigation water source lost resulting in a loss of an alfalfa cutting for eight irrigated fields. | P | RE | I | NR | 12 ft | 21 ac-ft | 5 acres | 0 | NV00000 | DUCKWATER CREEK | 38.8497 | -115.66 | 0 | NEVADA DWR | No | NEVADA DWR | |||||
ELM LAKE DAM | SD | H | Non-failure | 07/24/2020 | Hydrologic/flooding | Spillway Chute Failure | Erosion | SD00328-3437 | Chute spillway damaged during heavy flow. | No | 0 | Unknown | Unknown | Unknown | S | RE | RS | Y | 52 ft | 28800 ac-ft | 1150 acres | 1937 | SD00328 | ELM RIVER | 45.855 | -98.705 | 2000 | DENR | Yes | DENR | Y | |||||||||
FOOTE POND DAM | NH | L | Non-failure | 01/01/2021 | Deterioration Or Poor Condition | Spillway Riser Failure | Sinkhole | Excessive/increased Seepage | NH00552-3438 | Corroded CMP riser and outlet created sinkhole around the riser and into the embankment. Corroded outlet pipe with increased seepage. | 0 | 0 | 0 | None | Unknown | Counseled owner on-site to maintain lowered impoundment, LOD to be issued. | P | RE | R | NR | 15 ft | 134 ac-ft | 16 acres | 1971 | NH00552 | TR PAUGUS BAY | 43.6097 | -71.4888 | 0 | NHDES DAM BUREAU | No | NHDES DAM BUREAU | ||||||||
VILAS POOL DAM | NH | S | Non-failure | 07/29/2021 | Hydrologic/flooding | High Reservoir Level | Overtopping | Insufficient Spillway Capacity | NH00009-3439 | Left abutment wall overtopped during excess rainfall event and flowed down state road. Down slope flood waters re-entered the downstream channel and eroded the roadway and bank. | Unknown | Unknown | Unknown | Unknown | Roads | Unknown | NH Route 123A flooded, undermined, and collapsed. NHDOT is working to repair road and with the Town (owner) potential solutions to prevent overtopping of the abutment wall in the future. | L | CN | R | Y | 31 ft | 72 ac-ft | 6 acres | 1925 | NH00009 | COLD RIVER | 43.1536 | -72.3488 | 0 | NHDES DAM BUREAU | 2 days | Unknown | NHDES DAM BUREAU | ||||||
Country Oaks Dam | VA | U | Failure | 11/24/2022 | Hydrologic/flooding | Unknown | VA029077-3547 | Total Failure: RE recieved report from DEQ on 11/30/2022 that the dam had at least partially failed in the early morning hours of 11/24/2022 releasing significant sediment into downstream Holliday Lake State Park. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 28 ft | 69 ac-ft | 4 acres | 0 | VA029077 | 37.4485 | -78.6955 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Unknown | |||||||||||||
Courtney Millpond Dam | VA | U | Failure | 01/21/2022 | Hydrologic/flooding | Unknown | VA133005-3548 | Total Failure: a report from Nancy Demorest indicates dam has failed and contributing sediment to waterways. | No | 0 | 0 | 0 | 0 | P | RE | R | N | 8 ft | 170 ac-ft | 23 acres | 0 | VA133005 | Mill Creek | 37.9988 | -76.5733 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Unknown | VA Dam Safety | |||||||||||
NEW WILTON RESERVOIR DAM | NH | S | Non-failure | 12/05/2022 | Deterioration Or Poor Condition | Under Investigation | Excessive/increased Seepage | NH00261-3549 | Increased leakage | No | Unknown | Unknown | Unknown | None | Unknown | Unknown | See attached documents | L | RE | S | Y | 24 ft | 335 ac-ft | 22 acres | 1933 | NH00261 | STOCKWELL BROOK | 42.8422 | -71.7711 | 0 | NHDES DAM BUREAU | No | NH Dam Safety | Y | ||||||
FOX DAM 2 | NE | L | Failure | 01/01/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | NE00390-3550 | Likley failed due to conduit corrosion. Sinkhole observed in aerial imagery over conduit before failure. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 24 ac-ft | Failure was not reported until the dam was due for routine inspection. No reported damage beyond the cost of the dam itself. | P | RE | I | NR | 11 ft | 77 ac-ft | 9 acres | 1951 | NE00390 | TR-MINNECHADUZA CREEK | 42.9579 | -100.916 | 0 | NE DNR | No | NE Dam Safety | |||||||
QUINN LOWER | VT | L | Failure | 07/10/2023 | Hydrologic/flooding | Unknown | VT00383-3551 | Remote dam, full failure discovered by post flood rapid inspection team several days after failure. | July 2023 Flood | No | 0 | 0 | 0 | 0 | Unknown | Unknown | 90 ac-ft | P | RE | NR | 14 ft | 90 ac-ft | 8 acres | 0 | VT00383 | HOMER STONE BROOK | 43.4182 | -72.9319 | 0 | DEC | No | VT Dam Safety | ||||||||
Nissenbaum Dam | VT | L | Failure | 12/23/2022 | Seepage/internal Erosion | Excessive/increased Seepage | VT00000-3552 | Internal erosion along the approximate alignment of the principal spillway outlet barrel that opened up to a sizable pipe and held an intact roof until the pond had been drained. | No | 0 | 0 | 0 | 0 | Other | $1 to $100,000 | State DSP required an engineered breach be constructed through the embankment and armored until appropriate engineering investigations, design, and permitting could be completed prior to repair construction. | 6.9 ac-ft | Dam constructed of non-plastic silt and placed and compacted with no engineering oversight or testing. It was reported that during construction, there was a slope failure of the downstream slope that had to be repaired. Overtopping and damages to downstream driveways and a private pond. Large sediment release caused environmental damages in streams downsream and caused sedimentation issues in two downstream ponds. Sub-500,000 CF dam not on a perennial stream. VT Dam Safety Program has limited authorities | P | RE | R | NR | 41 ft | 6 ac-ft | 1 acres | 2022 | VT00000 | TR-Little River/Winooski River | 44.5248 | -72.7329 | 0 | No | VT Dam Safety | |||||||
Lyons Pond Dam | VT00000 | L | Failure | 07/10/2023 | Hydrologic/flooding | Unknown | VT00000-3553 | Full failure discovered by post flood rapid inspection team several days after failure. | July 2023 Flood | No | 0 | 0 | 0 | 0 | Unknown | Unknown | 12 ac-ft | P | RE | R | NR | 8 ft | 12 ac-ft | 3 acres | 0 | VT00000 | Burndt Meadow Brook | 43.2341 | -72.8944 | 0 | VT DSP | No | VT Dam Safety | |||||||
HANDS MILL | VT | S | Failure | 07/10/2023 | Hydrologic/flooding | Unknown | VT00308-3554 | Full failure reported in days immediately following flood event. | July 2023 Flood | No | 0 | 0 | 0 | 0 | Unknown | Unknown | 16 ac-ft | Full failure reported in days immediately following flood event. Dam slated for removal with plans to perform removal in 2024. | L | RE | O | NR | 20 ft | 16 ac-ft | 2 acres | 1860 | VT00308 | JAIL BRANCH | 44.1054 | -72.4298 | 0 | DEC | No | VT Dam Safety | ||||||
LOWER HELL HOLE | CA | Failure | 12/22/1964 | Unknown | Unknown | CA00000-212 | No | over $100 million | approx 100 miles east of Sacramento. 200 high section of the embankment failed due to erosion resulting from record rains during construction. 30,000 af flood destroyed 2 suspension bridges and 1 steel girder State highway bridge. $160M in lawsuits filed | ER | 410 ft | 0 ac-ft | 0 acres | 0 | CA00000 | RUBICON | 0 | 0 | 0 | |||||||||||||||||||||
PINE GROVE | CA | L | Non-failure | 04/01/2011 | Seepage/internal Erosion | Sinkhole | CA00541-1381 | leakage at left upstream face/abutment area of main embankment, 2 sinkholes approx 1-2 ft in diameter | No | 0 | 0 | 0 ac-ft | U | RE | S | NR | 42 ft | 324 ac-ft | 9 acres | 1911 | CA00541 | L SHADY CREEK | 39.3191 | -121.129 | 0 | Division of Safety of Dams | ||||||||||||||
DESCHUTES DAM | WA | L | Non-failure | 10/04/2014 | Malfunction Of Equipment/gate | Gate/valve Failure | WA00143-2261 | The east gate of the dam unexpectedly failed to close during the early morning hours of 10-04-14 dewatering most of the south and middle basins of the lake before staff could respond. | 0 | 0 | 0 | 0 | After research and testing, the owner believes it was caused by an intermittent degraded electrical connection on the low voltage control wiring for the East Gate | S | RE | R | NR | 45 ft | 4300 ac-ft | 270 acres | 1951 | WA00143 | DESCHUTES RIVER | 47.0435 | -122.909 | 0 | Washington, Dept of Ecology | Y | ||||||||||||
COLUMBINE | CA | H | Non-failure | 04/20/2011 | Seepage/internal Erosion | Spillway Pipe Failure | Piping | CA00682-1382 | leakage along continuous void below unencased spillway pipe leakage near exposed spillway overflow pipe on downstream embankment face | No | 0 | 0 | None | U | RE | IS | NR | 24 ft | 62 ac-ft | 3 acres | 1963 | CA00682 | OFFSTREAM | 37.3542 | -121.793 | 0 | Division of Safety of Dams | 12:00 AM | ||||||||||||
MCMAHON | CA | S | Non-failure | 04/17/2012 | Manmade Action | Spillway Pipe Failure | CA00701-1900 | Sudden closure d/s valve while u/s valve was open, the hydraulic pressure caused an 8-inch section of PVC pipe to rupture. | No | 0 | 0 | None | An 8-inch diameter TEE of of the main outlet pipe ruptures while attempting to close the d/s butterfly valve. Small uncontrolled release, no other significant damage | P | RE | IS | NR | 52 ft | 878 ac-ft | 26 acres | 1957 | CA00701 | MAXWELL CREEK | 37.6997 | -120.201 | 0 | Division of Safety of Dams | |||||||||||||
MYRON ISABEL | CO | Failure | 01/01/1978 | Seepage/internal Erosion | Piping | CO00000-136 | No | insignificant damages. Piping due to tree roots & animal burrows. | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
BILLS RANCH LAKE | CO | S | Non-failure | 07/03/2011 | Hydrologic/flooding | Overtopping | Animal Activity | CO00000-1365 | Runoff from high snowpack and spillway blockage resulted in overtopping of the dam - rodent damage in the crest | No | 0 | 0 | None | 3 day event - Minor flood damage to streets downstream due to runoff No evacuations. Several homes were put on notice to be prepared to evacuate by the Town of Frisco Town of Frisco and Summit County LEM contacted. Owner instructed to place sandbags and plastic sheets to alleviate overtopping damage and monitor daily through incident. Owner removed flashboards and removed obstructions. Sandbags and plastic did help alleviate overtopping | RE | R | 8 ft | 0 ac-ft | 0 acres | 1930 | CO00000 | MINERS | 40 | 106 | 0 | CO Division of Water Resources | ||||||||||||||
PROSPECT VALLEY & LORD RESERVOIR DAMS | CO | Failure | 02/10/1980 | Unknown | Unknown | CO00000-139 | No | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
FLATIRONS VISTA | CO | S | Non-failure | 09/19/2013 | Hydrologic/flooding | Overtopping | Slope Stability | Sinkhole | CO00000-2081 | overtopped, DS slide, sinkhole, partial breach. Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||
RACKY MOUNTAIN ARSONAL DAMS | CO | L | Failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO00000-2120 | Colorado Floods | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SUNSET DAM | CO | L | Failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO00000-2121 | Colorado Flooding | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | 12:00 AM | |||||||||||||||||||||||
IDAHO SPRINGS STORAGE | CO | L | Non-failure | 09/22/2013 | Hydrologic/flooding | Erosion | CO00000-2122 | erosion at toe - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
EMERALD VALLEY LOWER | CO | L | Failure | 09/16/2013 | Hydrologic/flooding | Unknown | CO00000-2123 | dam reported to have failed on 9/12-9/13 - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | Y | |||||||||||||||||||||||
EMERALD VALLEY UPPER | CO | L | Failure | 09/16/2013 | Hydrologic/flooding | Unknown | CO00000-2124 | dam reported to have failed on 9/12-9/13 - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | Y | |||||||||||||||||||||||
GREAT WESTERN | CO | H | Non-failure | 09/12/2013 | Hydrologic/flooding | High Reservoir Level | CO00000-2125 | spillway flows - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
ASPEN LODGE RESORT AND SPA | CO | S | Non-failure | 09/20/2013 | Hydrologic/flooding | Overtopping | CO00000-2126 | overtopped, debris flow plugged spillway, outlet inoperable, emergency breach - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
CARRIAGE HILLS #1/UPPER | CO | L | Non-failure | 09/13/2013 | Hydrologic/flooding | Overtopping | CO00000-2127 | overtopped, erosion damage but not failure - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
CARRIAGE HILLS #2/LOWER | CO | L | Failure | 09/19/2013 | Hydrologic/flooding | Overtopping | CO00000-2128 | Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | Yes | Y | ||||||||||||||||||||||
CURRIE LAKE DAM | CO | L | Non-failure | 09/14/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00000-2129 | headcutting in Spillway - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
FISH HATCHERY DAM | CO | L | Non-failure | 09/19/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00000-2130 | severe erosion of spillway, reported by owner - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MIRROR DAM | CO | L | Failure | 09/13/2013 | Hydrologic/flooding | Unknown | CO00000-2131 | Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
RAINBOW DAM | CO | L | Failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO00000-2132 | Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
UPPER GATES RESERVOIR DAM | CO | L | Non-failure | 09/23/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00000-2133 | reported by owner, severe headcutting in spillway - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
WILLOW DAM | CO | L | Failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO00000-2134 | Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LATHAM RESERVOIR | CO | Failure | 09/13/2013 | Hydrologic/flooding | High Reservoir Level | CO00000-2135 | Reported in Denver Post as failing - Colorado Flooding of 9-13 | 0 ft | 0 ac-ft | 0 acres | 0 | CO00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
BARNES MEADOW | CO | H | Non-failure | 09/13/2013 | Hydrologic/flooding | High Reservoir Level | CO00123-2083 | Report of failing, only spillway flows - Colorado Flooding of 9-13 | L | RE | IS | Y | 50 ft | 3005 ac-ft | 108 acres | 1923 | CO00123 | JOE WRIGHT CREEK-TR | 40.6 | -105.836 | 0 | DWR | ||||||||||||||||||
BUTTON ROCK | CO | H | Non-failure | 09/14/2013 | Hydrologic/flooding | Spillway Erosion/head Cutting | CO00171-2064 | Spillway flowing causing damage, report of dam in trouble,failing. Colorado Flooding of 9-13 | L | RE | S | Y | 214 ft | 20400 ac-ft | 222 acres | 1969 | CO00171 | NORTH ST. VRAIN CREEK | 40.2171 | -105.367 | 1990 | DWR | ||||||||||||||||||
LEFT HAND VALLEY | CO | H | Non-failure | 09/15/2013 | Hydrologic/flooding | High Reservoir Level | CO00177-2066 | Reported as being in trouble; John B reported spillways flows only. Colorado Flooding of 9-13 | P | RE | I | Y | 68 ft | 2814 ac-ft | 113 acres | 1952 | CO00177 | DRY CREEK | 40.0997 | -105.261 | 2002 | DWR | ||||||||||||||||||
BASELINE - EAST | CO | H | Non-failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO00214-2062 | Unprecedented, uncontrolled inflows Colorado Flooding of 9-13 | P | RE | IS | Y | 44 ft | 6592 ac-ft | 270 acres | 1905 | CO00214 | DRY CREEK | 39.9986 | -105.198 | 0 | DWR | ||||||||||||||||||
DELTA CONTROL | CO | L | Non-failure | 07/01/2013 | Seepage/internal Erosion | Piping | CO00565-2087 | Non-juridictional, Erosion around outlet gate and piping along outlet conduit | L | RE | S | NR | 32 ft | 54 ac-ft | 4 acres | 1961 | CO00565 | GUNNISON RIVER-TR | 38.81 | -108.071 | 0 | DWR | ||||||||||||||||||
LITTLE KING RANCH | CO | S | Non-failure | 06/01/2013 | Seepage/internal Erosion | High Reservoir Level | CO00712-2090 | Dam with absentee owner. Water level rose well above restricted level during spring runoff, resulting in heavy seepage from foundation and abutments. Water commissioner directed to control water level as possible. | Finally able to track down owner and get their attention. Outlet required to be fully open until plans for seepage control repairs can be made. | P | RE | R | Y | 65 ft | 1570 ac-ft | 52 acres | 1968 | CO00712 | BUFFALO CREEK | 40.2617 | -106.113 | 0 | DWR | |||||||||||||||||
TWO BUTTES | CO | H | Non-failure | 08/08/2013 | Hydrologic/flooding | Insufficient Spillway Capacity | CO00759-2094 | Due to heavy rainfall reservoir went from dry 55 feet above the outlet between 8-1 & 8-8. There was concern that the spillway could flow and potentially the dam could overtop due to a spillway not meeting the Rules. | Yes | Since the design event has a low probability of occurrence, allowances were made to the owner to temporarily store over the restricted storage level. Activated EAP at a Level 1, unusual condition level; Communication with Emergency Managers, and increased surveillance of the dam on a daily basis is required and being performed by the owner's staff. | S | RE | RF | Y | 106 ft | 40654 ac-ft | 1182 acres | 1908 | CO00759 | TWO BUTTE CREEK | 37.6359 | -102.538 | 0 | DWR | ||||||||||||||||
UPPER HIGHLINE | CO | H | Non-failure | 08/27/2013 | Malfunction Of Equipment/gate | Gate/valve Failure | CO00831-2095 | Hydraulically operated valve became bound and could not be closed. An uncontrolled release of about 200 cfs occurred continuously until some emergency actions were initiated to slow the release. | Divers accessed the valve and made necessary adjustments to close it. | S | RE | R | Y | 98 ft | 7125 ac-ft | 155 acres | 1967 | CO00831 | MACK WASH-TR | 39.27 | -108.846 | 1969 | DWR | |||||||||||||||||
LAKE JOHN | CO | S | Non-failure | 04/01/2013 | Other | Other | CO00993-2088 | Caretaker noticed a hole in the ice on the reservoir near the dam. Potential issue with seepage and piping resulting in the flow of water near this location. Performed field work and determined it did not appear to be a seepage related issue. | Educated caretaker for increased surveillance. | S | RE | RF | Y | 27 ft | 16128 ac-ft | 612 acres | 1957 | CO00993 | N FK NORTH PLATTE-TR | 40.7672 | -106.462 | 0 | DWR | |||||||||||||||||
TUCKER LAKE - SOUTH DAM | CO | H | Non-failure | 09/13/2013 | Hydrologic/flooding | High Reservoir Level | CO01181-2082 | Arvada Police report of reservoir approaching capacity - Colorado Flooding of 9-13 | P | RE | I | Y | 29 ft | 882 ac-ft | 56 acres | 1899 | CO01181 | RALSTON CREEK-OS | 39.8254 | -105.197 | 0 | DWR | ||||||||||||||||||
LEYDEN | CO | H | Non-failure | 09/12/2013 | Hydrologic/flooding | Other | CO01216-2075 | reports of dam failing; spillway flows - Colorado Flooding of 9-13 | L | RE | CR | Y | 46 ft | 1300 ac-ft | 19 acres | 1902 | CO01216 | LEYDEN CREEK | 39.8383 | -105.171 | 2001 | DWR | ||||||||||||||||||
UTE CREEK | CO | L | Non-failure | 11/01/2012 | Seepage/internal Erosion | Excessive/increased Seepage | CO01366-2096 | Unexpected seepage from dam. | Advised owner on surveillance and monitoring and to lower reservoir if conditions worsen. | P | RE | S | NR | 119 ft | 429 ac-ft | 12 acres | 1976 | CO01366 | UTE CREEK | 39.8394 | -106.094 | 1997 | DWR | |||||||||||||||||
CEDAR SPRINGS | CO | L | Non-failure | 09/19/2013 | Hydrologic/flooding | Overtopping | CO01767-2084 | overtopped, spillway and DS slope damage, Owner reported - Colorado Flooding of 9-13 | P | RE | FRP | NR | 37 ft | 50 ac-ft | 3 acres | 1969 | CO01767 | CEDAR CREEK | 40.4614 | -105.32 | 0 | DWR | ||||||||||||||||||
ARAPAHOE LAKE | CO | S | Non-failure | 09/13/2013 | Hydrologic/flooding | Overtopping | CO02089-2061 | reported overtopping; Colorado Flooding of 9-13 | P | RE | R | Y | 23 ft | 45 ac-ft | 4 acres | 1974 | CO02089 | GOLDSMITH GULCH | 39.6057 | -104.874 | 0 | DWR | ||||||||||||||||||
NORTHGLENN TERMINAL | CO | S | Non-failure | 11/11/2012 | Deterioration Or Poor Condition | Spillway Pipe Failure | CO02247-2093 | Uncontrolled leakage from deteriorated outlet conduit. Sealed with an inflatable bulkhead. | Planned for full replacement | L | RE | S | Y | 35 ft | 147 ac-ft | 9 acres | 1981 | CO02247 | BIG DRY CREEK-OS | 39.8979 | -105.013 | 0 | DWR | |||||||||||||||||
MEADOW LAKE | CO | L | Failure | 09/12/2013 | Hydrologic/flooding | Unknown | CO02717-2086 | failed 1:40 pm 9/12 - Colorado Flooding of 9-13 | RE | R | NR | 30 ft | 92 ac-ft | 6 acres | 1957 | CO02717 | W FORK LITTLE THOMPSON | 40.2621 | -105.419 | 0 | DWR | |||||||||||||||||||
CHASE GULCH | CO | H | Non-failure | 09/12/2013 | Seepage/internal Erosion | Excessive/increased Seepage | CO02786-2072 | new seepage reported; Colorado Flooding of 9-13 | L | ER | S | Y | 100 ft | 1250 ac-ft | 25 acres | 1996 | CO02786 | CHASE GULCH | 39.8165 | -105.53 | 0 | DWR | ||||||||||||||||||
BASELINE - NORTHWEST | CO | H | Non-failure | 09/12/2013 | Structural Stability | Slope Stability | CO02820-2063 | slope instability with uncontrolled inflow and continuing rain. Colorado Flooding of 9-13 | P | RE | IS | Y | 20 ft | 6592 ac-ft | 270 acres | 1905 | CO02820 | SOUTH BOULDER CREEK-OS | 40.0028 | -105.206 | 0 | DWR | ||||||||||||||||||
PINE BROOK | CO | H | Non-failure | 09/12/2013 | Hydrologic/flooding | Other | CO02896-2067 | first time spillway flows - Colorado Flooding of 9-13 | P | RC | S | Y | 84 ft | 140 ac-ft | 4 acres | 2006 | CO02896 | TWO MILE CREEK | 40.0491 | -105.312 | 0 | DWR | ||||||||||||||||||
CROW LANE NO. 1 | CO | H | Non-failure | 09/19/2013 | Hydrologic/flooding | Other | CO02932-2085 | Owner reported - heavy spillway flows - Colorado Flooding of 9-13 | U | RE | S | Y | 74 ft | 52 ac-ft | 4 acres | 2008 | CO02932 | UNAMED TRIB LT THOMPSON | 40.2767 | -105.358 | 0 | DWR | ||||||||||||||||||
ANSONIA BRASS & COPPER CO. | CT | Failure | 05/28/1912 | Unknown | Unknown | CT00000-201 | No | 0 ft | 0 ac-ft | 0 acres | 0 | CT00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
SPAULDING POND, MOHEGAN PARK | CT | Failure | 03/06/1963 | Unknown | Unknown | CT00000-207 | No | $5 million to $10 million | Over $6 million in damages. | 0 ft | 0 ac-ft | 0 acres | 0 | CT00000 | 0 | 0 | 0 | |||||||||||||||||||||||
CRAIGS POND DAM | DE | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | DE00000-1208 | Overtopping caused major damage to the roadway and downstream slope of the dam. Approximately 400 feet of the downstream slope and one lane of the roadway were washed out, but the dam was not totally breached. | No | 0 | 0 | $100,000 to $500,000 | 0 ac-ft | Dam started overtopping around 7 or 8 pm on 9/08/2011 and overtopping continued until about 8 am on 9/09/2011. The overtopping flow was reported to be higher than the top of the guardrail along the road across the crest of the dam, although this was not verified. The | 0 ft | 0 ac-ft | 0 acres | 0 | DE00000 | 0 | 0 | 0 | 12:00 AM | ||||||||||||||||||
MUDMILL POND DAM | DE | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | DE00000-1209 | Dam overtopped & caused minor to moderate erosion at the top of the downstream slope along the road edge, along the entire length of the dam. Emergency repairs were made to the roadway. | Irene | No | 0 | 0 | None | 0 ac-ft | 0 ft | 0 ac-ft | 0 acres | 0 | DE00000 | 0 | 0 | 0 | |||||||||||||||||||
HUDSON POND DAM | DE | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | DE00023-1207 | overtopped around 6 pm on 9/08/2011. | 0 | 0 | 0 ac-ft | They removed several flashboards from the spillway and reported that the water level in the pond dropped quickly. Depth and duration of overtopping could not be determined. Dam was inspected on 9/13/2011 and evidence of overtopping flow was seen in one location on the dam crest, but no erosion or other damage was found. | S | REPG | RF | N | 9 ft | 169 ac-ft | 20 acres | 1958 | DE00023 | CEDAR CREEK | 38.8406 | -75.4343 | 0 | DNREC | 12:00 AM | |||||||||||||
MASSEYS MILL POND DAM | DE | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | DE00029-1203 | Overtopping caused failure of a training wall in the downstream channel and minor erosion in a few areas at top of downstream embankment along edge of road. No emergency repairs were necessary. | Irene | No | 0 | 0 | None | unknown | 0 ac-ft | Dam overtopped before daylight on 8/28/2011; depth of flow and length of time are unknown. Masseys Mill Pond Dam is directly upstream from Garrisons Lake Dam, and overtopping flow from Masseys most likely contributed to Garrisons overtopping. | S | REPG | RF | NR | 12 ft | 490 ac-ft | 36 acres | 1933 | DE00029 | LEIPSIC RIVER | 39.2395 | -75.6175 | 0 | |||||||||||
GARRISONS LAKE DAM | DE | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | DE00030-1204 | Dam started overtopping around 4 am, and overtopping continued until 10 or 11 am. Overtopping flow was confined to one location and due to the clay core of the dam only minor erosion occurred. | Irene | No | 0 | 0 | None | 0 ac-ft | Adequate warning was provided to remove spillway flashboards several days prior to the storm to lower pond level in advance, which helped to minimize damage. Eroded areas were sandbagged on 8/29/2011 as a temporary measure to prevent further erosion. | S | REPG | RF | N | 10 ft | 1164 ac-ft | 86 acres | 1964 | DE00030 | LEIPSIC RIVER | 39.244 | -75.5884 | 0 | DNREC | 12:00 AM | ||||||||||
HEARNS POND DAM | DE | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | DE00060-1206 | Overtopping occurred in two separate low areas on the crest of the dam. Minor erosion occurred on the grass downstream slope near the left abutment, and some minor displacement of riprap occurred on the downstream slope near the right abutment. | No | 0 | 0 | 0 ac-ft | Dam started overtopping around 7 or 8 pm on 9/08/2011 and overtopping continued until about 8 am on 9/09/2011. Sandbags were placed across each of the low areas on 9/08/2011, which helped to spread out the overtopping flow and reduce erosion. | S | REPG | RF | N | 14 ft | 1434 ac-ft | 24 acres | 1912 | DE00060 | CLEAR BROOK | 38.6793 | -75.594 | 2002 | DNREC | 12:00 AM | ||||||||||||
BLAIRS POND DAM | DE | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Erosion | DE00070-1205 | Prolonged discharge at a higher than normal rate through a concrete overflow spillway exacerbated erosion of a known void in the soil beneath the spillway. | Irene | No | 0 | 0 | None | 0 ac-ft | Void was discovered under the left downstream edge of the spillway during an inspection in August 2011, and had not been repaired prior to Irene. The immediate post-Irene inspection did not reveal any change in the size of the void, but 11 days after the storm a sinkhole developed near the left upstream corner of the spillway. The remaining flashboards were removed from the spillway to lower the pond level below the spillway elevation and the void was filled with concrete on 9/9/2011. Subsequent repairs will be made to seal open construction joints and cracks in the spillway slab, which are thought to be the source of leakage through the slab that caused the void to develop. | S | REPG | RF | N | 14 ft | 611 ac-ft | 48 acres | 0 | DE00070 | BEAVERDAM BRANCH | 38.904 | -75.4848 | 0 | DNREC | |||||||||||
WRIGHT S DAM | FL | S | Failure | 07/05/2013 | Hydrologic/flooding | Unknown | FL00154-1681 | Media reports indicate the dam collapsed from excessive rainfall | 0 | 0 | None | The local media report indicated a 50-foot gap in the dam's headwall | P | RE | OP | N | 25 ft | 874 ac-ft | 0 acres | 1973 | FL00154 | PETERS CREEK | 30.02 | -81.75 | 0 | Y | ||||||||||||||
KELLY BARNES | GA | H | Failure | 11/06/1977 | Unknown | Unknown | GA00000-135 | There was little maintance at the dam and there had been intense rain for several days. Could have overtopped but it is unknown. | No | 39 | $25 million to $50 million | 410 ac-ft | Damfailures.org, https://www2.usgs.gov/water/southatlantic/ga/flood/toccoa/index.html Fatalities: 39 - | P | RE | R | N | 38 ft | 410 ac-ft | 0 acres | 0 | GA00000 | Toccoa Creek | 0 | 0 | 0 | Y | |||||||||||||
MISSION - SANDY SPRINGS LAKE DAM | GA | Non-failure | 06/05/2013 | Hydrologic/flooding | Spillway Pipe Failure | Slope Stability | GA00000-1660 | Occurred during a heavy rainfall event but included pipe failure and slope instability - see the attached report for more detail. | No | 100 | 0 | Roads | 13 ac-ft | The dam is exempt from GA Safety Dams regulation. It is located in Fulton Co. but otherwise minimal information on the dam. | 0 ft | 0 ac-ft | 0 acres | 0 | GA00000 | 0 | 0 | 0 | Y | |||||||||||||||||
MASHBURN MILLPOND DAM (LAKE ALICE) | GA | L | Failure | 05/19/2013 | Hydrologic/flooding | Overtopping | GA02000-1620 | Heavy rainfall with report of up to 7 inches. The breach occurred in the center of the dam and included the principal spillway pipe. | No | Roads | Damage to a downstream road & sediment released into Lake Lanier | P | RE | R | NR | 25 ft | 108 ac-ft | 0 acres | 1930 | GA02000 | LITTLE RIDGE CREEK | 34.1933 | -84.1244 | 0 | GA-SAFE DAMS PROGRAM | 12:00 AM | Y | |||||||||||||
O'NEAL LAKE DAM | MI | L | Failure | 09/07/2014 | Seepage/internal Erosion | Piping | MI00033-2200 | Failure of left embankment by either piping or overtopping | 0 | 0 | None | none | S | PGRE | R | NR | 10 ft | 1250 ac-ft | 138 acres | 1954 | MI00033 | BIG SUCKER CREEK | 45.7117 | -84.9067 | 0 | Michigan DEQ | Y | |||||||||||||
JACOBS IRRIGATION POND DAM | GA | L | Failure | 07/13/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | GA04740-1700 | Spillway pipe failure during a heavy rainfall event. | No | 0 | 0 | Roads, Railroads | Based on news reports, the owner stated that during a flooding event, there was a vortex in the lake and water was discharging through the dam. It appeared to be a spillway pipe failure. | P | RE | I | NR | 30 ft | 1390 ac-ft | 65 acres | 1977 | GA04740 | MILL BRANCH | 32.6317 | -81.7694 | 0 | GA-SAFE DAMS PROGRAM | Y | ||||||||||||
BOWEN IRRIGATION POND DAM | GA | U | Non-failure | 08/06/2010 | Unknown | Unknown | GA05016-280 | test test | No | test | P | RE | R | NR | 9 ft | 104 ac-ft | 14 acres | 0 | GA05016 | CYPRESS CREEK | 31.4389 | -83.4083 | 0 | |||||||||||||||||
NON-JURISDICTIONAL DAM | IA | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | IA00000-149 | No | 0 ft | 0 ac-ft | 0 acres | 0 | IA00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
LAKE DELHI DAM | IA | S | Failure | 07/25/2010 | Unknown | Under Investigation | IA01297-600 | Heavy rain in the area caused the dam to overtop and fail. The dam had three gates at least one of which was not operating properly and only partially open at the time of the flood. | No | 900 | 1100 | None | 9930 ac-ft | NID indicates that the dam did not have an EAP. | P | PG | R | NR | 55 ft | 9920 ac-ft | 440 acres | 1922 | IA01297 | MAQUOKETA RIVER | 42.4081 | -91.3454 | 0 | IOWA DNR | 12:00 AM | |||||||||||
TETON | ID | Failure | 06/05/1976 | Unknown | Unknown | ID00000-132 | Yes | 11 | over $100 million | Fatalities: 11 - | 0 ft | 0 ac-ft | 0 acres | 0 | ID00000 | 0 | 0 | 0 | USBR | |||||||||||||||||||||
WALTONVILLE LAKE DAM | IL | S | Failure | 06/26/2011 | Unknown | Under Investigation | IL00169-1081 | Water flowing from embankment at downstream toe. Initial flow crossed state highway. Under Investigation/Animal Activity | No | 0 | 0 | Roads | 15 ac-ft | L | RE | R | N | 22 ft | 153 ac-ft | 18 acres | 0 | IL00169 | TRIB BUCK CREEK | 38.2083 | -89.0417 | 0 | IDNR | 12:00 AM | Y | |||||||||||
GREYBROOK LAKE | IN | Failure | 06/01/2008 | Hydrologic/flooding | Overtopping | IN00000-141 | No | precise date unknown | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
CAMP VICTOR CONSERVATION CLUB | IN | Failure | 06/01/2008 | Hydrologic/flooding | Overtopping | IN00000-142 | No | precise date unknown. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
PRINCES EAST LAKE DAM | IN | Failure | 06/01/2008 | Hydrologic/flooding | Overtopping | IN00000-143 | No | precise date unknown. The embankment overtopped during a significant rainfall event in June and the downstream slope failed resulting in a major emergency response and lowering of the pool level. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LOWER WILDWOOD LAKE | IN | Failure | 01/01/2008 | Unknown | Unknown | IN00000-144 | No | The emergency spillway started to breach during a significant rainfall event in June requiring the lowering of the pool level and emergency repairs. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
FISH HATCHERY | IN | Failure | 06/01/2008 | Hydrologic/flooding | Overtopping | IN00000-145 | No | precise date unknown. The embankment overtopped during a significant rainfall event in June and the downstream slope failed resulting in the lowering of the pool level and the decommissioning of the structure. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
UPPER PEOGA LAKE | IN | Failure | 06/01/2008 | Hydrologic/flooding | Overtopping | IN00000-146 | No | precise date unknown. The embankment overtopped during a significant rainfall event in June and the downstream slope failed resulting in a major emergency response and lowering of the pool level. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
EARLHAM LAKE | IN | Failure | 06/01/2008 | Unknown | Spillway Deficiency | IN00000-147 | No | The emergency spillway breached during a significant rainfall event in June requiring a permanent lowering of the pool level. | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LAKE DALECARLIA | IN | Failure | 09/01/2008 | Hydrologic/flooding | Overtopping | IN00000-148 | No | precise date unknown. ) The embankment overtopped during a significant rainfall event in September and the downstream slope failed resulting in a major emergency response and lowering of the pool level. | RE | 0 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | |||||||||||||||||||||||
HIDDEN VALLEY LAKE DAM | IN | H | Non-failure | 12/06/2011 | Structural Stability | Slope Stability | IN00100-1210 | slump on the downstream slope | Yes | 0 | 0 ac-ft | Additional slide on downstream slope noted on 2/13/12 - see attached memo. | P | RE | R | N | 135 ft | 7750 ac-ft | 139 acres | 1973 | IN00100 | DOUBLELICK RUN | 39.1547 | -84.8364 | 0 | IDNR | Y | |||||||||||||
GLENDALE LAKE DAM | IN | S | Failure | 05/30/2011 | Seepage/internal Erosion | Piping | IN00320-1041 | Substantial internal erosion failure. A large void exists under the left end of the spillway system. No foundation material remains under a large portion of the concrete spillway. | No | 0 | 0 | None | 28 ac-ft | There is footage on You-tube. | P | RE | R | N | 14 ft | 54 ac-ft | 6 acres | 1945 | IN00320 | UNNAMED TRIBUTARY DEER CREEK | 40.5 | -85.6708 | 0 | IDNR | ||||||||||||
FOWLER PARK LAKE DAM | IN | L | Non-failure | 07/17/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | IN00462-1720 | Corrugated metal pipe may have deteriorated to the point where soil is entering the pipe and/or the inlet box connection to the pipe has leaked allowing water to travel along the outside of the conduit removing embankment material | No | 0 | 0 | None | L | RE | R | N | 22 ft | 253 ac-ft | 22 acres | 1958 | IN00462 | UNNAMED TRIBUTARY HONEY CREEK | 39.3386 | -87.3739 | 0 | IDNR | ||||||||||||||
ALLENDALE LAKE DAM | IN | L | Non-failure | 05/08/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | IN03121-1602 | A sinkhole in the embankment developed over the principal spillway pipe. After the pipe was camera inspected, the engineer determined that the metal pipe needed to be replaced immediately | No | 0 | The owner has been keeping the lake level below the pipe inlet. | P | RE | R | N | 32 ft | 135 ac-ft | 8 acres | 1981 | IN03121 | UNNAMED TRIBUTARY BUCKHART CREEK | 39.4039 | -86.1231 | 0 | IDNR | ||||||||||||||
INDIAN HEAD LAKE | IN | S | Non-failure | 06/01/2010 | Hydrologic/flooding | Overtopping | IN03388-1045 | A heavy rainfall event overtopped this dam causing heavy damage to the downstream slope. | Under the direction of a private engineer, the dam owner, a lake owners association constructed a short term response, a bypass channel to lower the normal level of the impounded water. May 2011 - state decommissioned the dam under emergency order. See attached email for more information. | RE | R | 20 ft | 0 ac-ft | 0 acres | 1979 | IN03388 | UNNAMED TRIBUTARY WHITE LICK CREEK | 40 | -86 | 0 | ||||||||||||||||||||
WHITE TAIL LAKE DAM | IN | S | Non-failure | 04/03/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | IN03497-1560 | progressive failure of its principal spillway pipe CMP deteriorated creating sinkhole on d/s slope | No | 0 | 0 | None | As of incident date, IN DNR attempting to contact the dam owner to rectify the situation. | P | RE | R | N | 27 ft | 509 ac-ft | 32 acres | 1964 | IN03497 | STONE COE CREEK | 38.4172 | -87.225 | 0 | IDNR | |||||||||||||
COAL WASTE IMPOUNDMENT | KY | Failure | 12/01/1981 | Unknown | Unknown | KY00000-187 | No | 1 | precise date unknown. Fatalities: 1 - Nellie Woolums | 0 ft | 0 ac-ft | 0 acres | 0 | KY00000 | 0 | 0 | 0 | |||||||||||||||||||||||
ELKHORN LAKE DAM | KY | H | Non-failure | 11/10/2012 | Seismic | Cracking | KY00113-1480 | Magnitude 4.3 earthquake resulted in potential new cracks on the structure and increased seepage at the toe, right side. | No | 0 | 0 | None | none | 0 ac-ft | The owner will be monitoring these changes and KY dam safety recommend that they hire a geotech to investigate further. | L | PG | S | NR | 40 ft | 0 ac-ft | 16 acres | 1930 | KY00113 | ELKHORN CREEK | 37.1683 | -82.635 | 0 | DOW | Y | ||||||||||
DUNHAM LAKE DAM | KY | L | Non-failure | 05/02/2010 | Unknown | Under Investigation | KY00165-681 | Other | 0 | 0 | Roads | U.S. 68 CLOSED FOR 24 HOURS | L | RE | R | NR | 25 ft | 0 ac-ft | 17 acres | 1955 | KY00165 | LITTLE BARREN RIVER | 36.9908 | -85.6144 | 0 | DOW | ||||||||||||||
MILL RIVER | MA | H | Failure | 01/01/1874 | Unknown | Unknown | MA00000-100 | No | 139 | Faulty Construction Fatalities: 139 - including 43 children under age of 10 | RE | O | 40 ft | 0 ac-ft | 0 acres | 0 | MA00000 | MILL RIVER ON THE CONNECTICUT RIVER | 0 | 0 | 0 | |||||||||||||||||||
MUD POND | MA | Failure | 01/01/1886 | Seepage/internal Erosion | Piping | MA00000-101 | No | 7 | Rebuilt; new dam (Lee Lake) failed in 1968. Fatalities: 7 - | 0 ft | 0 ac-ft | 0 acres | 0 | MA00000 | GREENWATER BROOK | 0 | 0 | 0 | ||||||||||||||||||||||
ASHLEY | MA | Failure | 01/07/1909 | Seepage/internal Erosion | Piping | MA00000-114 | No | Piping during first filling | 0 ft | 0 ac-ft | 0 acres | 0 | MA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LEE LAKE | MA | Failure | 03/24/1968 | Unknown | Unknown | MA00000-214 | No | 2 | 20 | 1mfg. plant damaged or destroyed Fatalities: 2 - | 0 ft | 0 ac-ft | 0 acres | 0 | MA00000 | 0 | 0 | 0 | ||||||||||||||||||||||
SAVAGE RIVER | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-150 | No | Bonneted gate failure and lake lowered 70 feet below normal as precaution. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | SAVAGE | 0 | 0 | 0 | |||||||||||||||||||||||
GREENBRIER STATE PARK | MD | Failure | 01/01/2008 | Seepage/internal Erosion | Unknown | MD00000-151 | No | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
DEEP CREEK | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-152 | Yes | incident with penstock hardware failure-EAP activated for a short time. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LITTLE YOUGHIGHENY SITE 3 | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-153 | Yes | Spillway conduit plugged resulting in emergency spillway flow & evacuation of some residents of Town of Oakland, MD. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
CHARTWELL GOLF COURSE | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-154 | No | Chartwell Golf Course CMP spillway collapsed after 45+ years of service. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
TODD LAKES | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-155 | No | Spillway collapsed after 30+ years of service. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SCOTS FANCY | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-156 | No | spillway collapsed after 15+ years of service. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SHORES OF CALVERT | MD | Failure | 01/01/2008 | Unknown | Unknown | MD00000-157 | No | Spillway collapsed after 40+ years of service | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
HUMPHREYS LAKE | MD | Failure | 01/01/1909 | Unknown | Unknown | MD00000-198 | No | Dam built in 1743 powered saw & grist mills. | 0 ft | 0 ac-ft | 0 acres | 0 | MD00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
DRUID HILL LAKE | MD | H | Non-failure | 04/17/2012 | Unknown | Under Investigation | MD00109-1860 | Unexplained settlement ds slope. Repair of pot holes in Interstate Highway constructed in 1950s on dam embankment, Highway Department not aware of dam under roadway. To date evidence suggests piping in dam. | Yes | 0 | 0 | Roads, Water Supply | Lane restriction for surface repairs. Interstate Highway, Public Water | L | RE | S | Y | 118 ft | 1880 ac-ft | 48 acres | 1871 | MD00109 | OFFSTREAM-JONES FALLS | 39.3186 | -76.6315 | 1999 | MD Dam Safety | MD Dam Safety | ||||||||||||
BREEDSVILE | MI | Failure | 01/01/2008 | Hydrologic/flooding | Unknown | MI00000-158 | No | Failure a result of high flows resulting from heavy rains. | 0 ft | 0 ac-ft | 0 acres | 0 | MI00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
NILES | MI | Failure | 01/01/2008 | Hydrologic/flooding | Unknown | MI00000-159 | Yes | 40 | Partial failure as a result of storm system. About 40 people were evacuated downstream as a precaution. | 0 ft | 0 ac-ft | 0 acres | 0 | MI00000 | 0 | 0 | 0 | |||||||||||||||||||||||
HAMLIN LAKE | MI | Failure | 06/01/2008 | Hydrologic/flooding | Unknown | MI00000-160 | Yes | precise date unknown. Dam (ID 236) nearly overtopped and damaged by high flow. A park downstream of the dam was evacuated as a precaution. The damage was to the gates caused by boats getting wedged into the opening. | 0 ft | 0 ac-ft | 0 acres | 0 | MI00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LAKE WHITE DAM | OH | H | Non-failure | 08/29/2014 | Unknown | Under Investigation | OH00446-2180 | Seepage adjacent to the spillway was noted by Park staff on 8/29/14. The lake was drawndown and ODNR engineers and consultant are investigating the cause. | Yes | 0 | 0 | Roads | State Route 104 over the dam was closed | S | RE | R | Y | 39 ft | 7633 ac-ft | 400 acres | 1935 | OH00446 | PEE PEE CREEK | 39.1 | -83 | 0 | DEPARTMENT OF NATURAL RESOURCES | |||||||||||||
BLANCHARD POND DAM | MI | L | Non-failure | 10/07/2013 | Deterioration Or Poor Condition | Gate/valve Failure | MI00118-1760 | Broken board on the outlet structure and impoundment drawn down. | No | 0 | 0 | None | P | RE | R | NR | 12 ft | 300 ac-ft | 13 acres | 1978 | MI00118 | NORTH BRANCH PINE RIVER | 43.525 | -85.075 | 0 | Michigan DEQ | ||||||||||||||
CORUNNA DAM | MI | S | Failure | 06/26/2012 | Deterioration Or Poor Condition | Other | MI00379-1340 | Deterioration of the concrete-capped timber-crib spillway has led to a partial breach in the dam. | Yes | 0 | 0 | None | None | 35 ac-ft | Water is flowing through a sinkhole in sediment material upstream of dam through a hole in downstream face of the dam likely carrying foundation materials and sediment with it. Partial breach continues to develop during periods of low flows. Has lowered the impoundment approximately 2 vertical feet. Impoundment continues to be drawn down through the breach as headcut through sediment develops and foundation materials are eroded. No full release of impoundment waters and sediments has occured to date. | L | TC | R | Y | 15 ft | 80 ac-ft | 17 acres | 1843 | MI00379 | SHIAWASSEE RIVER | 42.9857 | -84.1179 | 0 | Michigan DEQ | 12:00 AM | Y | |||||||||
RABEL DAM | WA | S | Non-failure | 08/21/2014 | Hydrologic/flooding | Overtopping | WA00308-2263 | Fire-swept Benson Creek watershed received from 0.4 to 0.9 inches of rain in a one-hour period. Debris blocked the spillway and caused the reservoir to fill and overtop the dam. | 0 | 0 | 0 | 0 | None | Active intervention by the dam owners re-opened the spillway in time to prevent further damage to the dam and spillway. See the attached incident report. | P | RE | R | N | 24 ft | 150 ac-ft | 11 acres | 1940 | WA00308 | TR-BENSON CREEK | 48.3228 | -119.998 | 1992 | Washington, Dept of Ecology | Yes | Y | ||||||||||
WALKER CREEK DAM #1 | MI | L | Failure | 04/13/2012 | Malfunction Of Equipment/gate | Gate/valve Failure | Sinkhole | MI00411-1327 | Stoplogs failed and drained the impoundment. Also, there was a sinkhole developing on the upstream slope in the vicinity of the CMP pipe riser. | No | 0 | 0 | None | none | 280 ac-ft | RE | R | NR | 17 ft | 850 ac-ft | 41 acres | 1965 | MI00411 | WALKER CREEK | 43.7167 | -84.9917 | 0 | Michigan DEQ | Y | |||||||||||
BROWN BRIDGE DAM | MI | H | Failure | 10/08/2012 | Seepage/internal Erosion | Foundation Deficiency | MI00544-1460 | Investigation determined water pressure destabilized subsurface soils and led to erosion of foundation soils, release of water beneath the control structure and collapse of an earthen embankment beside part of the drawdown structure. | Failure of a temporary dam put in place to gradually release water from Brown Bridge pond. Report of 66 properties damaged. Property-damage lawsuits pending. | PGRE | Y | 46 ft | 2800 ac-ft | 191 acres | 1921 | MI00544 | BOARDMAN RIVER | 44.6434 | -85.5095 | 0 | Michigan DEQ | Y | ||||||||||||||||||
LOST NATION LAKE # 5 DAM | MI | L | Failure | 05/21/2010 | Hydrologic/flooding | Overtopping | MI00555-1420 | Overtopping and possibly seepage | RE | R | Y | 12 ft | 210 ac-ft | 25 acres | 1956 | MI00555 | TRIB TO E BR ST JOSEPH | 41.855 | -84.5011 | 0 | Michigan DEQ | |||||||||||||||||||
HAWKINS DAM | WA | S | Failure | 08/21/2014 | Hydrologic/flooding | Spillway Erosion/head Cutting | WA00320-2267 | Fire-swept Benson Creek watershed received from 0.4 to 0.9 inches of rain in one hour. Debris obstructed the spillway-the dam didn't overtop. Erosion in the spillway channel down-cut into the lake and draining it. | 0 | 0 | 0 | 0 | None | See the attached incident report. | P | RE | IR | N | 33 ft | 60 ac-ft | 3 acres | 1940 | WA00320 | TR-BENSON CREEK | 48.3139 | -120.002 | 1992 | Washington, Dept of Ecology | Yes | Y | ||||||||||
FERGUS FALLS HYDRO DAM | MN | Failure | 09/24/1909 | Unknown | Unknown | MN00000-199 | No | 0 ft | 0 ac-ft | 0 acres | 0 | MN00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
CHALFA DAM | WA | S | Non-failure | 08/21/2014 | Hydrologic/flooding | Other | WA00328-2265 | Fire-swept Benson Creek watershed received from 0.4 to 0.9 inches of rain in a one-hour period. Debris partially blocked the spillway | 0 | 0 | 0 | 0 | None | See attached incident report. | P | RE | IR | N | 17 ft | 80 ac-ft | 9 acres | 1940 | WA00328 | TR-BENSON CREEK | 48.332 | -119.998 | 1992 | Washington, Dept of Ecology | Yes | Y | ||||||||||
THOMSON DAM NO 5-1/2 | MN | H | Failure | 06/20/2012 | Unknown | Under Investigation | MN00604-1861 | The right embankment of the headrace canal (called Forbay Lake) leading to the hydro plant failed. | Yes | 160 | Roads | Hydropower plant no longer able to be fed water, MN Highway 210 failed | X | PG | HR | Y | 23 ft | 4352 ac-ft | 375 acres | 1907 | MN00604 | ST LOUIS RIVER | 46.665 | -92.4067 | 0 | |||||||||||||||
LAKE ALPINE | MO | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | MO00000-161 | No | Sinkhole developed on upper portion of downstream face directly above principal pipe. Sinkhole filled with water, which caused large erosional feature to develop on lower portion of downstream face. REPORTED MAY27, 2008 | 0 ft | 0 ac-ft | 0 acres | 0 | MO00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LAKE FERRELL DAM | MO | Non-failure | 05/31/2013 | Hydrologic/flooding | Overtopping | MO00000-1640 | approximately a 20 to 30 foot long section of the dam overtopped. Damage was minimal. | Cooper County EMA Director indicated there may be a threat to one home. Height is estimated. | RE | 30 ft | 0 ac-ft | 0 acres | 0 | MO00000 | 39 | 93 | 0 | |||||||||||||||||||||||
LEISURE LAKE #2 DAM | MO | S | Failure | 04/29/2008 | Structural Stability | Sinkhole | MO10420-167 | vertically below crest of dam. Sinkhole approximately 5 feet in diameter and 4 feet deep. Sinkhole may be result of seepage through old root tunnels. REPORTED APRIL 29, 2008 | No | Large rotational slide on downstream face. Width of slide approximately 80-100 feet. Vertical displacement approximately 5 feet. REPORTED MAY 29, 2008 | RE | R | N | 39 ft | 135 ac-ft | 3 acres | 1960 | MO10420 | TR-RACOON CREEK | 40.104 | -93.7353 | 0 | NONE | |||||||||||||||||
HERRING LAKE DAM | MO | L | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | MO10914-169 | No | Small sinkhole developed above the principal spillway conduit on the upstream crest of the dam. Sinkhole approximately 10 feet in diameter and 2-3 feet deep. The sinkhole was likely the result of material piping into the conduit through a damaged joint or | P | RE | R | N | 50 ft | 1750 ac-ft | 46 acres | 1968 | MO10914 | SNYDER CREEK | 38.7593 | -91.9629 | 0 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||
KATY LAKE DAM | MO | H | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | MO11048-168 | No | Small sinkhole developed on downstream face of dam approximately 10 feet vertically below crest of dam. Sinkhole approximately 5 feet in diameter and 4 feet deep. Sinkhole may be result of seepage through old root tunnels. REPORTED APRIL 29, 2008 | P | RE | SICR | Y | 45 ft | 273 ac-ft | 14 acres | 1905 | MO11048 | EWING CREEK | 38.6985 | -91.888 | 1987 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||
LAKE OF THE HILLS DAM | MO | H | Non-failure | 04/30/2011 | Structural Stability | Sliding | MO30077-1386 | Small slide on downstream face during intense rainfall event | No | 0 | 0 | P | RE | R | N | 37 ft | 1143 ac-ft | 73 acres | 1960 | MO30077 | TR CANE CREEK | 37.2506 | -90.0281 | 1993 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||
LAC MICHEL DAM | MO | H | Non-failure | 04/30/2011 | Structural Stability | Sliding | MO30285-1385 | Small slide on downstream face during intense rainfall event | No | 0 | 0 | P | RE | R | N | 41 ft | 99 ac-ft | 10 acres | 1971 | MO30285 | TR BIG RIVER | 37.9112 | -90.6271 | 1997 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||
ABNEY LAKE DAM | MO | L | Failure | 01/01/2008 | Structural Stability | Sliding | MO30695-166 | test | No | Small rotational slide on downstream face. Width of slide approximately 30 feet. Vertical displacement approximately 4 feet. REPORTED MAY 21, 2008 | S | RE | R | N | 36 ft | 117 ac-ft | 8 acres | 1968 | MO30695 | TR-CLEAR CREEK | 37.8231 | -90.8224 | 0 | DAM AND RESERVOIR SAFETY PROG | ||||||||||||||||
SEVEN LAKES DAM #3 | MO | H | Non-failure | 04/30/2011 | Structural Stability | Sliding | MO31032-1384 | Small slide on downstream face during intense rainfall event | No | 0 | 0 | P | RE | R | Y | 45 ft | 1300 ac-ft | 61 acres | 1944 | MO31032 | GOOSE CREEK | 37.2544 | -90.6352 | 0 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||
TURNER'S DREAM LAKE DAM | MO | H | Non-failure | 04/30/2011 | Hydrologic/flooding | Overtopping | MO31108-1387 | Headcut erosion/Overtopping | No | 0 | 0 | The dam has a small diameter drop inlet spillway that controls the lake level and open channels at both ends of the dam. One of these channels had experienced headcut erosion to the point where the erosion scarp was only about 20 feet from the reservoir. In an apparent attempt to divert water into the other channel, he built a berm through the channel in question. Apparently the berm overtopped and failed, letting water once again flow through the channel and continue head cutting. At some point, it appears that the reservoir overtopped the dam crest slightly but no visible damage was seen on the embankments. | P | RE | R | N | 35 ft | 988 ac-ft | 50 acres | 1977 | MO31108 | TR-BARNES CREEK | 37.1409 | -90.2424 | 0 | NONE | ||||||||||||||
LAC SHAYNE DAM | MO | H | Failure | 01/01/2008 | Structural Stability | Sliding | MO31835-162 | No | Large rotational slide on downstream face in same general location of previous slide. Slide scarp width exceeds 100 feet. Total vertical movement exceeds 5 feet. REPORTED MARCH 24, 2008 | L | RE | R | N | 72 ft | 2475 ac-ft | 51 acres | 1979 | MO31835 | POND CREEK | 37.8974 | -90.6434 | 1995 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||
HARPER LAKE DAM | MO | H | Failure | 01/01/2008 | Structural Stability | Sliding | MO31866-163 | No | Rotational slide on downstream face. Width of slide approximately 60 feet. Vertical movement approximately 5 feet. REPORTED MARCH 20, 2008 | P | RE | R | N | 38 ft | 83 ac-ft | 6 acres | 1978 | MO31866 | TR GOOSE CREEK | 37.9924 | -90.3557 | 0 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||
LAKE KONSTANZ DAM | MO | H | Failure | 01/01/2008 | Structural Stability | Sliding | MO32048-165 | No | Rotational slide on downstream face. Width of slide approximately 50 feet. Maximum vertical displacement approximately 3 feet. REPORTED FEBRUARY 6, 2008 | P | Y | 90 ft | 103 ac-ft | 19 acres | 1999 | MO32048 | TRIB. CHARRETTE CREEK | 38.7625 | -91.0742 | 1998 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||||
LAKE BOUTIN DAM | MO | H | Failure | 01/01/2008 | Structural Stability | Sliding | MO40008-164 | No | Small surficial slide on downstream face, with subsequent partial liquifaction of slide mass, resulting in mud flow. REPORTED MARCH 21, 2008 | S | RE | R | N | 46 ft | 377 ac-ft | 19 acres | 1961 | MO40008 | TR-FLORA CREEK | 37.4519 | -89.4883 | 1991 | DAM AND RESERVOIR SAFETY PROG | |||||||||||||||||
MIKE WILLIAMS DAM | MS | S | Failure | 08/29/2012 | Hydrologic/flooding | Overtopping | MS00000-1444 | OVERTOPPING-AS REPORTED BY OWNER WHO WAS ONSITE AT THE TIME OF FAILURE. | 0 | 0 | Roads | 135 ac-ft | TWO PAVED ROADS WASHED OUT | RE | R | 18 ft | 0 ac-ft | 0 acres | 2005 | MS00000 | UNNAMED TRIBUTARY | 0 | 0 | 0 | MS DEQ | |||||||||||||||
JOHNSON POND-TODD | MN | L | Failure | 01/01/2017 | Unknown | Slope Stability | MN00263-3106 | During the eight year inspection the dam was found to have failed at some point. | No | 0 | 0 | 0 | 0 | None | Unknown | P | RE | FR | NR | 12 ft | 63 ac-ft | 0 acres | 1966 | MN00263 | TRIBUTARY TO LITTLE ELK RIVER | 46.1815 | -94.65 | 0 | MNDNR | No | ||||||||||
MCLEAN COUNTY FISH & GAME CLUB LAKE | KY | H | Failure | 05/14/2017 | Seepage/internal Erosion | Piping | KY00470-3107 | Unknown | 0 | 0 | 0 | Unknown | Unknown | Unknown | Unknown | P | RE | R | NR | 19 ft | 126 ac-ft | 19 acres | 1956 | KY00470 | LONG FORK CREEK | 37.6098 | -87.2526 | 0 | KY DIVISION OF WATER | Yes | ||||||||||
WHITE TURKEY LAKE DAM | OH | H | Non-failure | 10/10/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00025-3108 | Sinkhole on the downstream toe | The owner started siphoning the water out of the lake immediately. Spillway scheduled to be replaced. | P | RE | R | Y | 41 ft | 183 ac-ft | 10 acres | 1968 | OH00025 | TRIBUTARY TO CROOKED CREEK | 39.1961 | -82.9897 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | Yes | OHDNR | |||||||||||||
UNKNOWN | MS | L | Failure | 08/30/2012 | Unknown | Unknown | MS00000-1862 | FAILURE AROUND CONDUIT. EXACT CAUSE UNKNOWN | TRASH DEPOSITED DOWNSTREAM. APPEARS DAM OWNER BUILT DAM TO COVER UP UNAUTHORIZED DUMPING | RE | 15 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 0 | 0 | 0 | MDEQ | |||||||||||||||||||||
MADISON BAPTIST FELLOWSHIP DAM | MS | L | Non-failure | 12/27/2012 | Deterioration Or Poor Condition | Animal Activity | MS00000-1863 | SEEPAGE DUE TO ANIMAL BURROWS. | No | 0 | 0 | None | SEEP WAS REPORTED TO THE COUNTY EMERGENCY MANAGER WHO CONTACTED MDEQ. IT WAS DETERMINED THAT THE DAM WAS TOO SMALL TO BE A THREAT. THE COUNTY EMERGENCY MANAGER PUMPED THE LAKE DOWN THE FOLLOWING DAY AS A PRECAUTIONARY MEASURE. | RE | R | 8 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 33 | -90 | 0 | MDEQ | ||||||||||||||||
SPRING LAKE DAM | MS | L | Failure | 01/01/2012 | Deterioration Or Poor Condition | Spillway Pipe Failure | MS00128-1864 | CONDUIT FAILED VERY SLOWLY OVER 2-5 YEARS. EMBANKMENT HAS SLOWLY COLLAPSED OVER CONDUIT. | No | 0 | 0 | ROAD ACROSS TOP OF DAM WAS CLOSED. | P | RE | R | NR | 26 ft | 480 ac-ft | 93 acres | 1971 | MS00128 | LITTLE MOUNGERS CREEK | 30.5933 | -88.6933 | 0 | MS Dept. of Environmental Quality | ||||||||||||||
LAKE HAZLE DAM | MS | H | Non-failure | 09/26/2011 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | MS00503-1120 | Sinkhole developed near left abutment due to failure of large CMP culvert which diverts drainage water around dam | Yes | 0 | 0 | None | 0 ac-ft | EAP activated for potential (developing) failure. Actions taken prevented failure from developing into full failure | L | RE | R | Y | 25 ft | 390 ac-ft | 26 acres | 1925 | MS00503 | JOHNSON CREEK TRIB OF JONES CREEK | 31.8667 | -90.4033 | 0 | MS Dept. of Environmental Quality | |||||||||||
PERCY QUINN STATE PARK DAM | MS | H | Non-failure | 08/30/2012 | Structural Stability | Slope Stability | MS00579-1443 | LARGE SLIDES DEVELOPED WITH SEEPAGE. DID NOT LEAD TO UNCONTROLLED RELEASE OF POOL. | Yes | 0 | 0 | None | POOL WAS PUMPED DOWN TO SAFE LEVEL WHILE A BREACH CUT WAS CUT INTO NATURAL GROUND. BREACH CUT WILL KEEP POOL DRAINED WHILE REPAIRS ARE MADE. | S | RE | R | Y | 34 ft | 8112 ac-ft | 700 acres | 1940 | MS00579 | TANGIPAHOA RIVER | 31.175 | -90.5286 | 1990 | MS Dept. of Environmental Quality | |||||||||||||
LAKE SERENE NORTH DAM | MS | H | Non-failure | 10/16/2013 | Deterioration Or Poor Condition | Spillway Chute Failure | MS00698-1880 | PIPING UNDER THE SPILLLWAY SLAB. FURTHER INVESTIGATION IS TAKING PLACE. | No | 0 | 0 | None | none | P | RE | R | Y | 28 ft | 1803 ac-ft | 135 acres | 1968 | MS00698 | PERKINS CREEK | 31.3167 | -89.4322 | 1992 | MS Dept. of Environmental Quality | Y | ||||||||||||
LAKE SERENE SOUTHEAST DAM | MS | H | Non-failure | 08/29/2012 | Deterioration Or Poor Condition | Spillway Pipe Failure | MS00704-1442 | CONDUIT FAILED VERY SLOWLY OVER 2-5 YEARS. EMBANKMENT HAS SLOWLY COLLAPSED OVER CONDUIT. | Yes | 0 | 0 | P | RE | R | Y | 24 ft | 1037 ac-ft | 68 acres | 1969 | MS00704 | PERKINS CREEK | 31.2931 | -89.4333 | 0 | MS Dept. of Environmental Quality | |||||||||||||||
HENRY HUDSON DAM | MS | L | Failure | 02/22/2012 | Seepage/internal Erosion | Spillway Pipe Failure | MS03469-1440 | DAM FAILED AT THE PRIMARY SPILLWAY CONDUIT. IT APPEARED FAILURE WAS THE RESULT OF SEEPAGE ALONG THE 24 INCH CONDUIT THRU THE DAM. | No | 0 | 0 | None | THE RISER WAS LOCATED DOWNSTREAM SO SEEPAGE COULD HAVE BEEN FROM THE CONDUIT INTO THE DAM ANYWHERE ALONG ITS LENGTH. OWNER INDICATED CONDUIT WOULD BE PRESSURE TESTED PRIOR TO BEING REINSTALLED. | P | RE | R | NR | 17 ft | 287 ac-ft | 24 acres | 1999 | MS03469 | TR.-TICK CREEK | 31.4153 | -89.52 | 0 | MS Dept. of Environmental Quality | |||||||||||||
LAKE GETAWAY DAM | MS | L | Failure | 01/21/2010 | Structural Stability | Slope Stability | MS03566-775 | Slope Stability - shear stress failure along plane of weakness in embankment | No | 0 | 0 | Dams Downstream | 276 ac-ft | County road closed for short period of time. Failure damaged dam located downstream, however downstream dam did not fail. 0 - 1 family requested to evacuate but refused | P | RE | R | NR | 39 ft | 340 ac-ft | 29 acres | 2002 | MS03566 | 31.7061 | -88.9683 | 0 | MS Dept. of Environmental Quality | |||||||||||||
BROOKSTONE LAKE DAM | MS | H | Failure | 06/10/2012 | Seepage/internal Erosion | Piping | Spillway Riser Failure | MS03665-1441 | PIPING THROUGH CONDUIT CLOSE TO RISER | No | 0 | 0 | None | 27 ac-ft | DAM APPEARS TO HAVE FAILED THROUGH AN OPEN JOINT IN CONDUIT NEAR TO THE RISER. EMBANKMENT MATERIAL PIPED THROUGH HOLE UNTIL A CLEAR PATHWAY TO LAKE WAS ESTABLISHED. LAKE DRAINED THROUGH HOLE. | P | RE | R | Y | 18 ft | 56 ac-ft | 6 acres | 2007 | MS03665 | TRIBUTARY OF TRIBUTARY OF BEAR CREEK | 32.4861 | -90.1675 | 2013 | MS Dept. of Environmental Quality | |||||||||||
HAUSER | MT | Failure | 04/14/1908 | Unknown | Unknown | MT00000-113 | No | Dam not anchored to bedrock. 70-foot-high steel dam collapsed ~ 2:45 p.m. Had been in operation for only 1 yr. New concrete dam was built at the site in 1911 | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MIKE HORSE | MT | Failure | 01/01/1975 | Unknown | Unknown | MT00000-130 | No | 1975 flood washed thousands of tons of mine tailings downstream & killed most of the aquatic life in the upper 10 miles of the Blackfoot River | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
VAUX DAMS | MT | Failure | 03/26/1951 | Unknown | Unknown | MT00000-195 | No | Fatalities: - Foell family | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SWIFT IRRIGATION | MT | Failure | 06/08/1964 | Unknown | Unknown | MT00000-210 | No | 19 | Fatalities: 19 - | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | MARIAS R. TRIBUTARY | 0 | 0 | 0 | ||||||||||||||||||||||
LOWER TWO MEDICINE | MT | Failure | 06/08/1964 | Unknown | Unknown | MT00000-211 | No | 9 | NW MT Fatalities: 9 - | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | 0 | 0 | 0 | |||||||||||||||||||||||
SAGE CREEK DAM | MT | U | Failure | 02/14/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | MT00000-981 | Rain and snowmelt resulted in headcut of spillway and eventual failure over several weeks. | No | 0 | 0 | Roads | local road flooded | RE | 0 ft | 0 ac-ft | 0 acres | 0 | MT00000 | SAGE CREEK | 47 | 108 | 0 | MTDNRC | ||||||||||||||||
WINSTON RESERVOIR | NC | Failure | 11/02/1904 | Unknown | Unknown | NC00000-112 | No | 9 | Fatalities: 9 - Brick reservoir constructed in 1882 had history of seepage. | OT | S | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | |||||||||||||||||||||
UNNAMED | NC | Failure | 07/01/1916 | Unknown | Unknown | NC00000-117 | Yes | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
LAKE TOXAWAY | NC | Failure | 08/13/1916 | Seepage/internal Erosion | Piping | NC00000-122 | No | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
NEW-FOUND CREEK DAM (BEAR WALLOW) | NC | Failure | 02/22/1976 | Unknown | Unknown | NC00000-131 | No | 4 | Fatalities: 4 - family of 4 | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | |||||||||||||||||||||||
EXEMPT-NCUC | NC | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | NC00000-170 | No | piping upon first filling | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MOORE-029 | NC | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | NC00000-171 | No | MOORE-029 Built without permit, piping upon first filling | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MOORE-030 | NC | Failure | 01/01/2008 | Seepage/internal Erosion | Piping | NC00000-172 | No | MOORE-030 Built without permit, piping upon first filling | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MACON-034 | NC | Failure | 01/01/2008 | Hydrologic/flooding | Unknown | NC00000-173 | No | MACON-034 Heavy rains, failure | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
ANSON-025 | NC | Failure | 01/01/2008 | Hydrologic/flooding | Unknown | NC00000-174 | No | heavy rains, failure | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
MITCH-001 | NC | Failure | 01/01/2008 | Hydrologic/flooding | Unknown | NC00000-175 | No | 0 ft | 0 ac-ft | 0 acres | 0 | NC00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
MORRIS DAM | NC | S | Non-failure | 06/07/2013 | Hydrologic/flooding | Overtopping | NC00021-1683 | Dam overtopped during passage of TD Andrea | No | 0 | 0 | None | 0 ac-ft | An auxilary relief channel had to be excavated through an abutment. Threatened Swanns Station Road downstream from Dam | P | RE | P | N | 12 ft | 153 ac-ft | 0 acres | 0 | NC00021 | JUNIPER CREEK | 35.379 | -79.132 | 0 | |||||||||||||
OXFORD | NC | H | Non-failure | 05/05/2013 | Malfunction Of Equipment/gate | Gate/valve Failure | NC00329-1601 | Heavy rainfall resulted in opening of gates and one of the gates would not fully open. Remote control system malfunction, origin not yet determined or reported | No | 0 | P | PGCNRE | H | Y | 122 ft | 127500 ac-ft | 4110 acres | 1928 | NC00329 | CATAWBA RIVER | 35.8214 | -81.1922 | 0 | Y | ||||||||||||||||
RHODES LAKE DAM | NC | S | Non-failure | 06/08/2013 | Hydrologic/flooding | Overtopping | NC01145-1684 | Earthen section of dam overtopped adjacent to concrete spillway wall. Sand bags where installed to prevent overtopping. | No | 0 | 1 | None | None | 0 ac-ft | Sand bags where installed to prevent overtopping. One home flooded on upstream face of dam. Threatened NC Hwy 301 and I-95 downstream from dam. Dam overtopped during passage of TD Andrea. | S | RE | R | Y | 15 ft | 2304 ac-ft | 0 acres | 0 | NC01145 | BLACK RIVER | 35.2258 | -78.6528 | 2011 | ||||||||||||
HAMILTON COUNTY ANGLERS LAKE DAM | OH | S | Non-failure | 05/12/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00263-3109 | Sinkhole on the downstream slope over the principal spillway pipe | The owner started siphoning the water out of the lake immediately. Spillway has been replaced. | P | RE | R | N | 33 ft | 124 ac-ft | 5 acres | 1950 | OH00263 | TRIBUTARY TO SHAYLER RUN | 39.1111 | -84.2311 | 0 | DEPARTMENT OF NATURAL RESOURCES | 2 days | Yes | OHDNR | |||||||||||||
LAKE WHITE DAM | OH | H | Non-failure | 06/22/2017 | Seepage/internal Erosion | Piping | OH00446-3110 | Boils discovered downstream of the dam | The owner constructed a weighted filter berm and started daily monitoring. | S | RE | R | Y | 39 ft | 7633 ac-ft | 400 acres | 1935 | OH00446 | PEE PEE CREEK | 39.1061 | -83.0092 | 0 | DEPARTMENT OF NATURAL RESOURCES | 6 months | Yes | OHDNR | ||||||||||||||
FOREST LAKE DAM | NC | H | Non-failure | 07/07/2011 | Deterioration Or Poor Condition | Spillway Chute Failure | NC01691-1080 | A portion of the concrete chute spillway detached and fell into the void beneath approximately five feet in depth. | Yes | 32 | None | 30 ac-ft | 30 acre-feet released by pumping. Embankment did not fail. Portion of an apartment complex and a number of homes flooded due to pumped release. Forced temporary closure of a major Charoltte thoroughfare. | P | RE | R | Y | 15 ft | 60 ac-ft | 0 acres | 0 | NC01691 | MCALPINE CREEK-TR | 35.205 | -80.719 | 0 | NCDENR | Y | ||||||||||||
CAROLINA LAKE DAM | NC | S | Non-failure | 04/25/2011 | Deterioration Or Poor Condition | Spillway Riser Failure | NC03561-961 | Structural failure at base of aging and deteriorated CMP principal spillway riser drained reservoir through principal spillway barrel | Yes | 0 | 0 | None | 100 ac-ft | NOAA issued a flash flood warning in the area after consultation with local Emergency Management agency | P | RE | R | N | 24 ft | 230 ac-ft | 0 acres | 0 | NC03561 | HERDS CREEK | 35.3578 | -79.2959 | 0 | |||||||||||||
WHISPERING WOODS GOLF COURSE DAM | NC | H | Non-failure | 06/07/2013 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | NC05358-1682 | Sink hole developed over a low level abandoned CMP through the dam. Occurred during heavy rain from TS Andrea. | No | 0 | 0 | None | None | 0 ac-ft | Sinhole evidently developed through corroded section(s) of CMP or bad joint. Incident occurred during passage of TD Andrea. Failuire did not occur and reservoir was not released. | P | RE | RI | N | 13 ft | 17 ac-ft | 0 acres | 0 | NC05358 | TRIB-MILL CREEK | 35.2351 | -79.3668 | 0 | NCDENR | ||||||||||
TWAIN HARTE | CA | S | Non-failure | 08/03/2014 | Unknown | Under Investigation | CA00649-2160 | The dam was built on solid granite. Very hard solid rock. On 8/3 the massive right abutment rock, exfoliated. This created a new seepage path which resulted in 50 gpm additional seepage. Previous to this there was only wet spots and no active seepage. | 0 | We immediately drew down the reservoir to make a detailed inspection and as a precautionary measure. The situation is now stable and no dam safety threat. We will complete detailed analysis of the dam and abutment to figure out next steps. I think we will conclude the dam wasn¿t in danger, but we will see. | P | MV | RS | NR | 36 ft | 143 ac-ft | 12 acres | 1928 | CA00649 | TR SULLIVAN CR | 38.0291 | -120.244 | 0 | Division of Safety of Dams | Y | |||||||||||||||
CLAUSEN SPRINGS DAM | ND | H | Non-failure | 04/08/2011 | Hydrologic/flooding | High Reservoir Level | ND00029-963 | flow through the emergency spillway | No | 0 | 0 | L | RE | FR | Y | 52 ft | 1274 ac-ft | 42 acres | 1967 | ND00029 | SPRING CREEK | 46.6832 | -98.0369 | 1968 | NDSWC | |||||||||||||||
RENWICK DAM | ND | H | Non-failure | 05/21/2013 | Hydrologic/flooding | High Reservoir Level | ND00054-1940 | Watershed received widespread 4-6 inches of rain on May 20, 2013. (See attached for additional description.) | Yes | 1300 | 0 | City officials in Cavalier, ND lifted the evacuation order on May 24, 2013. The dam is located in Icelandic State Park. (see attached for additional information) | L | RE | CR | Y | 49 ft | 11658 ac-ft | 223 acres | 1962 | ND00054 | TONGUE RIVER | 48.7779 | -97.7494 | 0 | NDSWC | Y | |||||||||||||
OLSON DAM | ND | H | Non-failure | 05/21/2013 | Hydrologic/flooding | High Reservoir Level | ND00056-1941 | Watershed received 4-6 inches of rain on May 20, 2013. The reservoir was already full from heavy late season snow and late season snowmelt runoff. Water flowed through both of the dam's earthen auxiliary spillways. See additional remarks below. | Yes | 0 | 0 | None | The dam was damaged as a result of the flow through the auxiliary spillways. A major slide occurred on the left spillway dike of the south auxiliary spillway, taking out a section of the dike. Some headcutting occurred in the north auxiliary spillway. | L | RE | C | Y | 74 ft | 1077 ac-ft | 7 acres | 1957 | ND00056 | TONGUE RIVER-TR | 48.7304 | -97.9466 | 1985 | NDSWC | |||||||||||||
BOURBANIS DAM | ND | S | Non-failure | 05/21/2013 | Hydrologic/flooding | High Reservoir Level | ND00083-1942 | Watershed received 4-6 inches of rain on May 20, 2013. The reservoir was already full from heavy late season snow and late season snowmelt runoff. Water flowed through the dam's earthen auxiliary spillway on May 21-22, 2013 and again on May 31, 2013. | Yes | 0 | 0 | None | The dam's auxiliary spillway was damaged. Flow through the spillway resulted in a major headcut at the downstream end of the auxiliary spillway, and a signifcant erosion channel at the entrance to the auxiliary spillway. | L | RE | CF | N | 76 ft | 1502 ac-ft | 9 acres | 1957 | ND00083 | TONGUE RIVER-TR | 48.7844 | -97.9801 | 1984 | NDSWC | |||||||||||||
BURLINGTON DAM #1 | ND | L | Non-failure | 04/11/2011 | Hydrologic/flooding | Piping | ND00275-962 | The Des Lacs River was at flood stage, causing the dam to be in danger of overtopping. The dam was also experiencing piping in a couple of locations. | No | 200 | 0 | None | 0 ac-ft | Approximately 200 were advised to evacuate (this number was reported in the news, but I don't have confirmation of this number). The dam was only part of the reason these people were advised to evacuate - there was already major flooding occuring in the river. | L | RE | IR | NR | 27 ft | 566 ac-ft | 38 acres | 1935 | ND00275 | DES LACS RIVER | 48.2852 | -101.455 | 1957 | NDSWC | ||||||||||||
SPALDING DIVERSION DAM | NE | L | Non-failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE00000-1229 | The dam was overtopped but did not fail. | No | 0 | 0 | 0 ac-ft | This is a diversion dam used to divert water to the town's hydroelectric plant. The NE DNR dam safety program does not have jurisdiction over diversion dams. | RE | H | 11 ft | 0 ac-ft | 0 acres | 0 | NE00000 | CEDAR RIVER | 0 | 0 | 0 | ||||||||||||||||
MORGAN DAM | NE | L | Failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE00000-1230 | overtopped and breached | No | 0 | 0 | Roads | 341 ac-ft | The failure of this dam helped cause the downstream Gracie Creek Road Dam to overtop and fail. The two-lane state highway which washed out ran along the top of the Gracie Creek Road Dam. This dam was removed from the dam inventory after it breached in 1999. It was rebuilt without the knowledge of the NE DNR. A downstream two-lane state highway was washed away. | RE | O | 20 ft | 0 ac-ft | 0 acres | 1960 | NE00000 | GRACIE CREEK | 0 | 0 | 0 | NE DNR | ||||||||||||||
BREDTHAUER DAM | NE | L | Failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE00264-1222 | Heavy rainfall runoff. | 339 | 85 | Water/sewer lines | 600 ac-ft | An irrigation company intentionally breached one of their canals upstream of the dam which may have helped cause the dam to fail. Most of the flooding in North Loup was due to the heavy rainfall runoff. We do not know how much the failure of the dam contributed to the flooding. Water and sewer service were disrupted. | RE | 26 ft | 0 ac-ft | 0 acres | 0 | NE00264 | 0 | 0 | 0 | ||||||||||||||||||
WINGFOOT LAKE DAM | OH | S | Non-failure | 04/03/2017 | Seepage/internal Erosion | Spillway Chute Failure | OH00664-3112 | Boils downstream of the emergency spillway | The owner opened the lake drain. | S | RE | R | Y | 14 ft | 3429 ac-ft | 460 acres | 1916 | OH00664 | WINGFOOT LAKE OUTLET | 41.0183 | -81.3736 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OHDNR | ||||||||||||||
DARTY STOWE LAKE DAM | OH | S | Non-failure | 11/14/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH02227-3113 | Sinkhole on the downstream slope over the principal spillway pipe | The owner opened the lake drain. | P | RE | R | Y | 37 ft | 78 ac-ft | 4 acres | 1987 | OH02227 | TRIBUTARY TO OPOSSUM RUN | 39.9056 | -81.4292 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OHDNR | ||||||||||||||
ERICSON DAM | NE | L | Failure | 06/13/2010 | Hydrologic/flooding | Spillway Erosion/head Cutting | NE00274-1223 | Breached through the emer spwy. The emer spwy was redesigned and modified in 2003. Once the topsoil was removed, the underlying soil was mostly sand. It took about 3 hours for the headcut to advance all the way upstream through the emer spwy. | No | 0 | 0 | 750 ac-ft | At least ten county road bridges were damaged or washed away. A two-lane U.S. Highway was overtopped for awhile but was not damaged. | P | RE | C | NR | 35 ft | 968 ac-ft | 123 acres | 1916 | NE00274 | CEDAR RIVER | 41.7584 | -98.6529 | 2004 | NE DNR | |||||||||||||
ATKINSON DAM RECONSTR | NE | L | Non-failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE00410-1224 | The dam was overtopped but did not fail. The dam was rebuilt in 1992 after it breached through the emer spwy. | No | 0 | 0 | 0 ac-ft | L | RE | R | NR | 13 ft | 360 ac-ft | 19 acres | 1992 | NE00410 | ELKHORN RIVER | 42.5379 | -99.0005 | 0 | NE DNR | ||||||||||||||
BURWELL SUMTER DIVERSION DAM | NE | L | Non-failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE01464-1225 | The dam was overtopped but did not fail. | No | 0 | 0 | 0 ac-ft | This is a diversion dam used to divert water into an irrigation canal. The NE DNR dam safety program does not have jurisdiction over diversion dams. | RE | I | NR | 21 ft | 1100 ac-ft | 1 acres | 1933 | NE01464 | NORTH LOUP RIVER | 41.7909 | -99.131 | 0 | NE DNR | ||||||||||||||
TAYLOR ORD DIVERSION DAM | NE | L | Failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE01480-1226 | The dam was overtopped and was completely washed away. | No | 0 | 0 | 170 ac-ft | RE | I | NR | 10 ft | 170 ac-ft | 1 acres | 1939 | NE01480 | NORTH LOUP RIVER | 41.7947 | -99.4603 | 0 | NE DNR | |||||||||||||||
HARDENBROOK DIV DAM | NE | L | Non-failure | 06/12/2010 | Hydrologic/flooding | Overtopping | NE01509-1227 | The dam was overtopped and was severely damaged, but did not fail. | No | 0 | 0 | 0 ac-ft | The NE DNR dam safety program does not have jurisdiction over diversion dams. | RE | 10 ft | 0 ac-ft | 0 acres | 1939 | NE01509 | 0 | 0 | 0 | ||||||||||||||||||
SNOWS BROOK DAM | NH | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NH00901-1150 | Reservoir level came to within several inches of overtopping | Irene | Yes | 0 | 0 | 0 ac-ft | L | CN | R | Y | 16 ft | 40 ac-ft | 5 acres | 1976 | NH00901 | SNOWS BROOK | 43.95 | -71.5047 | 0 | NH DEPARTMENT OF ENVIRONMENTAL SERVICES DAM BUREAU | Y | ||||||||||||
CEDAR BRIDGE DAM | NJ | L | Failure | 08/27/2011 | Hydrologic/flooding | Spillway Chute Failure | NJ00000-1194 | undermining of spillway | Irene | No | 0 | County road (embankment) closed | 0 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | S. BRANCH METEDECONK-TR | 0 | 0 | 0 | NJDEP | ||||||||||||||||||
SLIVER SPRING LAKE DAM | NJ | L | Failure | 05/23/2011 | Hydrologic/flooding | Overtopping | NJ00000-1195 | High water levels overtopped the dam, causing the dam to fail | 0 | 9 ac-ft | RE | R | 21 ft | 0 ac-ft | 0 acres | 1930 | NJ00000 | MUSCONETCONG RIVER | 0 | 0 | 0 | NJDEP | 12:00 AM | |||||||||||||||||
SHANTY DRIVE DAM | NJ | L | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00000-1196 | erosion of downstream embankment possible due to overtopping or roadway runoff | Irene | No | 0 | 0 ac-ft | RE | R | 9 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | HAYNES CREEK-TR | 0 | 0 | 0 | NJDEP | ||||||||||||||||
LAKE HARTUNG DAM | NJ | L | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00000-1197 | Overtopped, erosion, corewall exposed | Irene | No | 0 | 0 ac-ft | RE | R | 10 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | RUSSIA BROOK | 0 | 0 | 0 | NJDEP | ||||||||||||||||
KENILWORTH #3 DAM | NJ | L | Non-failure | 08/27/2011 | Hydrologic/flooding | Sinkhole | NJ00000-1198 | Sinkhole developed along outlet culvert | Irene | 0 | Roads | 0 ac-ft | local roadway (embankment) temporarily closed | R | 6 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | BARTON RUN-TR | 0 | 0 | 0 | NJDEP | ||||||||||||||||
PENNY POT LAKE DAM | NJ | L | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00000-1199 | Overtopped | Irene | 0 | R | 6 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | HOSPITALITY BRANCH | 0 | 0 | 0 | NJDEP | |||||||||||||||||||
CASSVILLE DAM | NJ | S | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00000-1200 | overtopped, embankment failure | Irene | No | 0 | 100 ac-ft | County Road (embankment) closed | R | 6 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | SMALL BRANCH TOMS RIVER | 0 | 0 | 0 | NJDEP | ||||||||||||||||
LENARTOWICZ DAM | NJ | L | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00000-1201 | Overtopping, embankment failure | Irene | No | 0 | 1 ac-ft | R | 7 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | UNNAMED | 0 | 0 | 0 | NJDEP | |||||||||||||||||
STONE'S DAM | NJ | L | Failure | 08/27/2011 | Hydrologic/flooding | Piping | NJ00000-1202 | piping under spillway | Irene | No | 0 | CN | R | 9 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | HAKIHOKAKE CREEK | 0 | 0 | 0 | NJDEP | |||||||||||||||||
PLEASANT MILLS DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00044-1187 | overtopped, severe loss of embankment due to erosion into open pipe joint | Irene | Yes | 0 | Roads | 0 ac-ft | County Road (embankment) closed | P | PGRE | R | Y | 16 ft | 0 ac-ft | 45 acres | 0 | NJ00044 | HAMMONTON CREEK | 39.636 | -74.6607 | 0 | NJDEP | ||||||||||||
SUNSET LAKE DAM | NJ | H | Non-failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00063-1180 | overtopped, severe erosion of downstream slope and failure of gabion slope protection | Yes | 50 | 0 | Roads | 0 ac-ft | County Road (embankment) closed | L | PGRE | R | Y | 20 ft | 0 ac-ft | 94 acres | 1927 | NJ00063 | COHANSEY RIVER | 39.4468 | -75.2353 | 0 | NJDEP | ||||||||||||
SEELEY'S MILL POND DAM | NJ | S | Failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00065-1182 | overtopped and breached | No | 0 | Roads | 186 ac-ft | Road collapsed/closed | PGRE | I | N | 18 ft | 0 ac-ft | 69 acres | 0 | NJ00065 | COHANSEY RIVER | 39.4876 | -75.2584 | 0 | NJDEP | ||||||||||||||
SHADOW LAKE DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00090-1188 | overtopped, embankment/road damage | Irene | No | 0 | 0 ac-ft | L | PGRE | R | Y | 16 ft | 0 ac-ft | 83 acres | 1931 | NJ00090 | QUIOLEY CREEK | 40.3528 | -74.085 | 0 | NJDEP | ||||||||||||||
BRAINARD LAKE DAM | NJ | S | Non-failure | 08/22/2012 | Seepage/internal Erosion | Piping | NJ00152-1400 | The seepage was observed on the downstream side of the dam, adjacent to the culvert, flowing not through the culvert but under and through the downstream masonry wall. The lake level had dropped one foot. | Yes | 0 | 0 | L | PGRE | R | Y | 12 ft | 152 ac-ft | 22 acres | 1840 | NJ00152 | CRANBURY BROOK | 40.3098 | -74.5166 | 0 | NJDEP | |||||||||||||||
LINDY'S LAKE DAM | NJ | H | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00201-1184 | Minor overtopping damage | Irene | No | 0 | P | PGRE | R | Y | 24 ft | 0 ac-ft | 20 acres | 0 | NJ00201 | WEST BROOK-TR | 41.0745 | -74.3707 | 0 | NJDEP | |||||||||||||||
HENION POND DAM | NJ | S | Non-failure | 04/17/2011 | Seepage/internal Erosion | Sinkhole | NJ00224-966 | Sinkhole developed along crest of earth embankment | Yes | 0 | P | PGRE | R | Y | 10 ft | 0 ac-ft | 45 acres | 1926 | NJ00224 | PEQUANNOCK RIVER-TR | 41.019 | -74.363 | 0 | NJDEP | 12:00 AM | |||||||||||||||
DUNDEE | NJ | L | Non-failure | 04/17/2011 | Hydrologic/flooding | Other | NJ00243-967 | EAP was activated due to high water levels at the spillway | Yes | 0 | P | MSPGCN | HS | Y | 16 ft | 3584 ac-ft | 224 acres | 1854 | NJ00243 | PASSAIC RIVER | 40.8833 | -74.1271 | 0 | NJDEP | ||||||||||||||||
WOODCLIFF LAKE DAM | NJ | H | Non-failure | 07/06/2011 | Seepage/internal Erosion | Excessive/increased Seepage | NJ00247-1163 | New seepage found at dam - Small leak observed in the floor of the gate house | Yes | 0 | 0 | Unknown | Unknown | P | PGRE | S | Y | 38 ft | 0 ac-ft | 117 acres | 1906 | NJ00247 | PASCALK BROOK | 41.0128 | -74.0493 | 0 | NJDEP | 12:00 AM | ||||||||||||
ORADELL RESERVOIR DAM | NJ | H | Non-failure | 04/17/2011 | Hydrologic/flooding | High Reservoir Level | NJ00258-965 | EAP was activated due to high water levels at the spillway | Yes | 0 | P | PGRE | S | Y | 25 ft | 0 ac-ft | 796 acres | 1922 | NJ00258 | HACKENSACK RIVER | 40.9562 | -74.0291 | 0 | NJDEP | 12:00 AM | |||||||||||||||
LAKE NEEPAULIN DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00282-1161 | overtopped, embankment damage | Irene | No | 0 | 0 | Unknown | unknown | L | RE | R | Y | 22 ft | 143 ac-ft | 13 acres | 1927 | NJ00282 | PAPAKATING CREEK | 41.2145 | -74.6257 | 0 | NJDEP | ||||||||||||
SWANNANOA LAKE #1 (SOUTH) DAM | NJ | H | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00311-1160 | overtopped, embankment damage | Irene | No | 0 | 0 | Unknown | unknown | P | MS | R | Y | 15 ft | 0 ac-ft | 51 acres | 1914 | NJ00311 | WEST BRANCH ROCKAWAY RIVER | 41.0078 | -74.5179 | 0 | NJDEP | ||||||||||||
LAKE SHAWNEE DAM | NJ | S | Failure | 03/13/2010 | Hydrologic/flooding | Overtopping | NJ00334-641 | Overtopping | 0 | 0 | None | P | PGRE | R | Y | 9 ft | 376 ac-ft | 79 acres | 0 | NJ00334 | WELDON BROOK | 40.9698 | -74.5972 | 0 | NJDEP | 12:00 AM | ||||||||||||||
SAFFIN POND DAM | NJ | S | Failure | 08/27/2011 | Hydrologic/flooding | Piping | NJ00339-1193 | seepage/piping failure during construction due to poor embankment materials | Irene | No | 0 | 95 ac-ft | L | PGRE | R | Y | 24 ft | 147 ac-ft | 14 acres | 1930 | NJ00339 | WELDON BROOK | 41.0043 | -74.587 | 0 | NJDEP | ||||||||||||||
CENTERTON LAKE DAM | NJ | S | Failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00439-1183 | overtopping resulting in severe erosion of embankment | Yes | 0 | Unknown | unknown | 132 ac-ft | P | PGRE | R | Y | 12 ft | 576 ac-ft | 37 acres | 1942 | NJ00439 | MUDDY RUN | 39.525 | -75.1699 | 0 | NJDEP | |||||||||||||
CUSHMAN LAKE DAM | NJ | L | Failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00447-1181 | Overtopped, breach of emergency spillway | 0 | Unknown | unknown | 400 ac-ft | P | PGRE | R | NR | 17 ft | 0 ac-ft | 62 acres | 0 | NJ00447 | HOSPITALITY BRANCH | 39.5956 | -74.8668 | 0 | NJDEP | ||||||||||||||
LAKE LENAPE DAM | NJ | H | Non-failure | 04/04/2011 | Other | Other | NJ00450-964 | Cofferdam was undermined during construction | Yes | 0 | State responded and made owner investigate and resolve problem | L | PGRE | R | Y | 29 ft | 6610 ac-ft | 300 acres | 1879 | NJ00450 | GREAT EGG HARBOR RIVER | 39.4548 | -74.7353 | 0 | NJDEP | 12:00 AM | ||||||||||||||
PORICY DAM | NJ | L | Failure | 03/31/2010 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | NJ00480-640 | sinkhole and partial collapse of CMP | 0 | 0 | Roads | 0 ac-ft | County Route 12A closed for several weeks | L | PGRE | R | NR | 8 ft | 0 ac-ft | 18 acres | 0 | NJ00480 | PORICY BROOK | 40.3571 | -74.0862 | 0 | NJDEP | ||||||||||||
BARRY LAKES #1 DAM | NJ | L | Non-failure | 08/01/2011 | Seepage/internal Erosion | Piping | NJ00509-1164 | Water flowing along outlet pipe/settlement along outlet pipe | No | 0 | 0 | Unknown | Unknown | P | PGRE | R | N | 15 ft | 59 ac-ft | 20 acres | 1955 | NJ00509 | WAWAYANDA CREEK-TR | 41.1969 | -74.4412 | 0 | NJDEP | 12:00 AM | ||||||||||||
SUNSET LAKE DAM | NJ | S | Non-failure | 08/14/2011 | Hydrologic/flooding | Spillway Pipe Failure | Erosion | NJ00512-1166 | erosion of embankment due to joint separation in outlet culvert | Yes | 0 | 0 | Unknown | Unknown | P | PGRE | R | Y | 8 ft | 0 ac-ft | 50 acres | 1950 | NJ00512 | WHITE HALL BRANCH | 39.6349 | -74.9644 | 0 | NJDEP | ||||||||||||
TOMLINSON MILL DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Sinkhole | NJ00627-1186 | Sinkhole developed along outlet culvert | Irene | No | 0 | Roads | 0 ac-ft | local roadway (embankment) temporarily closed | L | PGRE | R | Y | 11 ft | 0 ac-ft | 10 acres | 0 | NJ00627 | BARTON RUN | 39.8656 | -74.8948 | 0 | NJDEP | ||||||||||||
BURNT MILL POND DAM | NJ | S | Non-failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00632-1165 | overtopped, severe erosion of embankment near spillway | No | 0 | 0 | Unknown | Unknown | L | PGRE | R | Y | 9 ft | 40 ac-ft | 9 acres | 0 | NJ00632 | BURNT MILL BRANCH | 39.5318 | -75.0443 | 0 | NJDEP | |||||||||||||
MULLICA HILL POND DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00639-1189 | overtopped, erosion of d/s slope | Irene | No | 0 | Roads | 0 ac-ft | State Highway (NJ Rt 322) temporarily closed | S | PGRE | R | N | 19 ft | 0 ac-ft | 10 acres | 1922 | NJ00639 | RACCOON CREEK | 39.7346 | -75.2213 | 0 | NJDEP | ||||||||||||
SCENIC LAKE DAM | NJ | L | Non-failure | 08/27/2011 | Hydrologic/flooding | Piping | NJ00678-1191 | seepage, portion of d/s slope failed | Irene | No | 0 | 0 ac-ft | P | PGRE | R | NR | 35 ft | 96 ac-ft | 8 acres | 0 | NJ00678 | WALLKILL RIVER-TR | 41.1837 | -74.5632 | 0 | NJDEP | ||||||||||||||
NEW JERSEY NO NAME # 89 DAM | NJ | L | Failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00736-1192 | overtopped, embankment failure | Irene | No | 0 | 70 ac-ft | L | PGRE | R | NR | 15 ft | 98 ac-ft | 10 acres | 1970 | NJ00736 | CROSSWICKS CREEK-TR | 40.0566 | -74.5475 | 0 | NJDEP | ||||||||||||||
SUNSET LAKE RACEWAY DAM | NJ | H | Failure | 08/14/2011 | Hydrologic/flooding | Overtopping | NJ00764-1167 | earthen embankment overtopped and breached | Yes | 50 | Unknown | Unknown | 417 ac-ft | L | PGRE | R | Y | 11 ft | 0 ac-ft | 103 acres | 1949 | NJ00764 | COHANSEY RIVER | 39.4319 | -75.2371 | 0 | NJDEP | |||||||||||||
HEATERS POND DAM | NJ | H | Non-failure | 03/01/2010 | Hydrologic/flooding | Overtopping | NJ00795-740 | Overtopping | Roads | several roads closed | L | PGRE | R | Y | 7 ft | 0 ac-ft | 38 acres | 1910 | NJ00795 | SAWMILL BROOK | 41.0728 | -74.586 | 0 | NJDEP | ||||||||||||||||
DIAMOND MILL POND DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Overtopping | NJ00926-1190 | overtopped, loss of embankment to corewall | Irene | No | 0 | None | 0 ac-ft | L | PGRE | R | N | 9 ft | 24 ac-ft | 4 acres | 1937 | NJ00926 | RAHWAY RIVER | 40.7311 | -74.3071 | 0 | NJDEP | |||||||||||||
UNION MILL LAKE DAM | NJ | S | Non-failure | 08/27/2011 | Hydrologic/flooding | Sinkhole | NJ00971-1185 | Sinkhole developed along outlet culvert | Irene | No | 0 | Unknown | Unknown | P | RE | R | N | 12 ft | 73 ac-ft | 4 acres | 0 | NJ00971 | BARTON RUN-TR | 39.8528 | -74.9102 | 0 | NJDEP | |||||||||||||
UNITED NUCLEAR CORP | NM | Failure | 07/01/1979 | Unknown | Unknown | NM00000-138 | No | Precise date unknown. Uranium tailings - 93 million gallons of liquid contaminated with low-level radiation & ~ 1100 T of solid waste spread ~ 100 miles downstream. UNC shut down operations April 1982. | 0 ft | 0 ac-ft | 0 acres | 0 | NM00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
TYRON TAILINGS DAM NO. 3 | NM | Failure | 10/13/1980 | Unknown | Unknown | NM00000-140 | No | 2.5 million cu yds tailings spilt into Mangas Creek. | 0 ft | 0 ac-ft | 0 acres | 0 | NM00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
LOS ALAMOS CANYON DAM | NM | H | Non-failure | 07/08/2011 | Hydrologic/flooding | Other | NM00299-1366 | Dam was under rehabilitation construction when the site was evacuated and the area back-burned to prevent a wildfire from reaching Los Alamos. The overflow spillway had been demolished and the dam crest lowered during construction. | 0 | 0 | Water/sewer lines | A majority of the watershed was burned and the dam is now volunerable to overtopping. A by-pass channel was constructed through the left abutment to carry flood flows from the burnt watershed around the dam. The alteration of the site required a redesign effort that is underway. Los Alamos County watersupply line | L | RE | S | Y | 40 ft | 33 ac-ft | 2 acres | 1943 | NM00299 | LOS ALAMOS CANYON | 35.8835 | -106.354 | 2013 | Office of the State Engineer | ||||||||||||||
WILLOW CREEK DAM | NV | L | Non-failure | 04/19/2011 | Hydrologic/flooding | Other | NV00054-1388 | High Precipitation in area during spring snowpack runoff activated flow through emergency spillway. | Yes | 0 | 0 | Access to local (Hollister) mine potentially impacted, no damage actually occurred. Owner and local downstream interests aware of potential for trouble. Activation process funcitoned well. Recreationists informed of difficult travel in area and potential for flooding. Swift access under seasonally wet conditions best done by helicopter. | P | CNER | IRFC | Y | 58 ft | 8000 ac-ft | 480 acres | 0 | NV00054 | WILLOW CREEK | 41.21 | -116.536 | 1912 | NEVADA DWR | ||||||||||||||
MELZINGAH | NY | Failure | 01/01/1897 | Unknown | Unknown | NY00000-104 | No | 7 | Fatalities: 7 - | RE | 0 ft | 0 ac-ft | 0 acres | 0 | NY00000 | 0 | 0 | 0 | ||||||||||||||||||||||
UTICA RESERVOIR | NY | Failure | 09/13/1902 | Structural Stability | Slope Stability | NY00000-108 | No | 0 ft | 0 ac-ft | 0 acres | 0 | NY00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
WEST BROOK RESERVOIR #3 | NY | Failure | 05/15/1916 | Seepage/internal Erosion | Unknown | NY00000-116 | No | Seepage shallow cutoffs | 0 ft | 0 ac-ft | 0 acres | 0 | NY00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SWIMMING POOL | NY | Failure | 01/01/1979 | Unknown | Unknown | NY00000-137 | No | 4 | Fatalities: 4 - | 0 ft | 0 ac-ft | 0 acres | 0 | NY00000 | 0 | 0 | 0 | |||||||||||||||||||||||
ELECTRIC LIGHT POND | NY | Failure | 01/01/1960 | Unknown | Under Investigation | NY00000-197 | failure | No | 1 | Fatalities: 1 - | 0 ft | 0 ac-ft | 0 acres | 0 | NY00000 | 1 | 1 | 0 | ||||||||||||||||||||||
WAPPINGERS FALLS | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00003-1314 | EAP activated on 8/28 due to high flows, penstock damage. Hurricane Irene | Irene | Yes | L | MS | HPNR | Y | 20 ft | 700 ac-ft | 100 acres | 1872 | NY00003 | WAPPINGER CREEK | 41.6006 | -73.92 | 1992 | NYS DEC | ||||||||||||||||
ALBRITTON LAKE DAM | MS | S | Non-failure | 01/21/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MS03326-2601 | FAILURE OF THE PRIMARY SPILLWAY (CMP) THAT WAS PREVIOUSLY FILLED WITH CONCRETE | No | 0 | 1 | 0 | 0 | INCIDENT WAS SUCCESSFULLY HANDLED. A 20. FT WIDE CUT WAS MADE TO ACT AS THE PRIMARY SPILLWAY. HOA WAS ADVISED TO KEEP THE LAKE LEVEL LOWER UNTIL REPAIRS ARE MADE OR THE DAM IS BREACHED | P | RE | R | NR | 33 ft | 1369 ac-ft | 80 acres | 1995 | MS03326 | TR. MILL CREEK | 30.9806 | -89.6881 | 0 | MS Dept. of Environmental Quality | ||||||||||||
MONROE RECREATION LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00036-1300 | overtopped, downstream face missing some stones Hurricane Irene | Irene | No | L | OTRE | R | Y | 14 ft | 68 ac-ft | 13 acres | 1936 | NY00036 | RAMAPO RIVER | 41.3242 | -74.1869 | 0 | NYS DEC | ||||||||||||||||
LAKE COHASSET UPPER DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00042-1299 | overtopped and had minor damage Hurricane Irene | Irene | No | S | R | Y | 25 ft | 373 ac-ft | 37 acres | 1924 | NY00042 | ARDEN BROOK | 41.2761 | -74.1142 | 0 | NYS DEC | |||||||||||||||||
UPPER WARWICK DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00063-1292 | dam was experiencing high flows and there was evidence that the dam had overtopped. Hurricane Irene. | Irene | No | L | RE | S | N | 40 ft | 80 ac-ft | 5 acres | 1912 | NY00063 | TR-WAWAYANDA CREEK | 41.2289 | -74.3608 | 0 | NYS DEC | ||||||||||||||||
NORMANSKILL | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00088-1312 | Chief of police notified Dam Safety that the EAP has been activated due to high water levels. Hurricane Irene | Irene | Yes | L | CB | HSRFP | Y | 39 ft | 5000 ac-ft | 430 acres | 1916 | NY00088 | NORMANS KILL | 42.7113 | -73.9607 | 0 | NYS DEC | ||||||||||||||||
SCHAGHTICOKE | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00118-1322 | Brookfield Renewable Power (Owner) activated EAP Condition C ¿ High Flow, non-failure. Hurricane Irene | Irene | Yes | P | CNPG | H | Y | 28 ft | 795 ac-ft | 150 acres | 1909 | NY00118 | HOOSIC RIVER | 42.8936 | -73.5887 | 2000 | NYS DEC | ||||||||||||||||
JOHNSONVILLE | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00119-1323 | Brookfield Renewable Power (Owner) activated EAP Condition C ¿ High Flow, non-failure. Dam did not overtop. Hurricane Irene | Irene | Yes | P | CNPG | H | Y | 39 ft | 6430 ac-ft | 450 acres | 1909 | NY00119 | HOOSIC RIVER | 42.9197 | -73.5084 | 1989 | NYS DEC | ||||||||||||||||
CLARK MILLS UPPER | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00120-1321 | EAP has been activated because of high flows during Hurricane Irene | Irene | Yes | P | CNCB | HC | NR | 23 ft | 875 ac-ft | 89 acres | 1904 | NY00120 | BATTENKILL RIVER | 43.1185 | -73.555 | 1990 | NYS DEC | ||||||||||||||||
VISCHER FERRY | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00170-1311 | High water and seepage observed on earthen embankment. Hurricane Irene | Irene | Yes | S | CNPG | HN | Y | 30 ft | 27400 ac-ft | 1050 acres | 1913 | NY00170 | MOHAWK RIVER | 42.8048 | -73.8455 | 1990 | NYS DEC | ||||||||||||||||
GILBOA DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00176-1287 | Record lake level behind the dam. Hurricane Irene. | Irene | Yes | L | MSRE | S | Y | 183 ft | 95575 ac-ft | 1159 acres | 1926 | NY00176 | SCHOHARIE CREEK | 42.3911 | -74.45 | 0 | NYS DEC | ||||||||||||||||
INDIAN KILL RESERVOIR DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00242-1309 | Dam overtopped Hurricane Irene | Irene | Roads | flooding a local road but road not believed damaged. | LPS | RE | S | Y | 23 ft | 728 ac-ft | 52 acres | 1958 | NY00242 | INDIAN KILL | 41.2367 | -74.2083 | 0 | NYS DEC | |||||||||||||||
HELDERBERG LAKE DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00276-1294 | High water during Hurricane Irene. Dam did not overtop. | Irene | Yes | P | RS | Y | 35 ft | 330 ac-ft | 27 acres | 1944 | NY00276 | TR-ONESQUETHAW CREEK | 42.5972 | -74.0125 | 0 | NYS DEC | |||||||||||||||||
HEUVELTON | NY | S | Failure | 06/07/2011 | Malfunction Of Equipment/gate | Gate/valve Failure | NY00411-1040 | A rubber bladder gate was punctured and deflated. | Yes | 0 | 0 | None | DEC-fisheries(?) investigating potential environmental damage. | P | CNPG | H | Y | 34 ft | 405 ac-ft | 239 acres | 1923 | NY00411 | OSWEGATCHIE RIVER | 44.6177 | -75.4048 | 1993 | NYS DEC | Y | ||||||||||||
GOSHEN RESERVOIR #1 DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00488-1291 | spillway channel erosion, left embankment. Hurricane Irene. | Irene | No | L | RE | S | Y | 37 ft | 867 ac-ft | 66 acres | 1963 | NY00488 | TR-RIO GRANDE CREEK | 41.3833 | -74.3333 | 0 | NYS DEC | ||||||||||||||||
ELK LAKE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00520-1310 | Under construction -Damaged. Temporary coffer dam was overtopped. A large bog has floated into the existing spillway partially blocking the spillway. The basin received 10" on rain over approx. 6 hrs. Hurricane Irene | Irene | No | P | ERTC | R | N | 23 ft | 4200 ac-ft | 525 acres | 1965 | NY00520 | TR-THE BRANCH | 44.0225 | -73.8308 | 0 | NYS DEC | ||||||||||||||||
BATAVIA KILL WATERSHED DAM #4A | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00570-1295 | Erosion observed on both auxiliary spillways. Hurricane Irene. | Irene | L | RE | C | Y | 77 ft | 2928 ac-ft | 10 acres | 1967 | NY00570 | BATAVIA KILL | 42.3322 | -74.2478 | 2013 | NYS DEC | |||||||||||||||||
MERRIEWOLD LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00572-1303 | High water from Hurricane Irene | Irene | No | L | RE | R | Y | 50 ft | 96 ac-ft | 10 acres | 1953 | NY00572 | SATTERLY CREEK | 41.3753 | -74.1853 | 0 | NYS DEC | ||||||||||||||||
BATAVIA KILL WATERSHED DAM #3 | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00608-1297 | Right auxiliary spillway eroded down by 50 feet but has not reached the control section of the spillway. Hurricane Irene. | Irene | No | L | RE | C | Y | 74 ft | 1415 ac-ft | 5 acres | 1970 | NY00608 | TR-BATAVIA KILL | 42.3211 | -74.2325 | 0 | NYS DEC | ||||||||||||||||
MCGREGOR DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Erosion/head Cutting | NY00614-1318 | Peak flow was 4 ft over tertiary spillway. High flows scoured 6" to 12' of the sandstone bedrock at the base of the dam due to the impact of the spillway flow. Continued minor scouring beneath a number of concrete splash aprons. Hurricane Irene | Irene | No | Two people killed when car drove over washed out highway culvert downstream of the dam. | S | CB | R | Y | 37 ft | 735 ac-ft | 147 acres | 1968 | NY00614 | CHAZY RIVER | 44.8689 | -73.675 | 0 | NYS DEC | |||||||||||||||
BLENHEIM - GILBOA UPPER | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00691-1289 | Record high water behind dam. Hurricane Irene. | Irene | Yes | S | RE | HR | Y | 170 ft | 18500 ac-ft | 355 acres | 1974 | NY00691 | SCHOHARIE CREEK | 42.4451 | -74.4384 | 0 | NYS DEC | ||||||||||||||||
BLENHEIM - GILBOA LOWER | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00692-1288 | Record high water levels. Hurricane Irene. | Irene | Yes | S | RECNPG | HR | Y | 165 ft | 16330 ac-ft | 430 acres | 1974 | NY00692 | SCHOHARIE CREEK | 42.4538 | -74.4555 | 0 | NYS DEC | ||||||||||||||||
MINE LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00767-1306 | dam had overtopped 6-12", erosion but structurally sound. Hurricane Irene | Irene | Yes | F | CN | TSR | Y | 22 ft | 235 ac-ft | 25 acres | 1845 | NY00767 | BROOKS HOLLOW CREEK | 41.2045 | -74.0236 | 1982 | NYS DEC | ||||||||||||||||
POPOLOPEN LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00768-1305 | Overtopped at abutments but is still structurally sound. Hurricane Irene | Irene | Yes | F | RECNMS | TSR | Y | 32 ft | 1030 ac-ft | 0 acres | 0 | NY00768 | POPOLOPEN CREEK | 41.3553 | -74.0525 | 1948 | NYS DEC | ||||||||||||||||
SUMMIT STREET LAKE DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00847-1325 | seepage though downstream embankment and high impoundment water level. Hurricane Irene | Irene | Yes | Evacuation recommended. inspection found no damage | L | OT | R | Y | 28 ft | 264 ac-ft | 16 acres | 1914 | NY00847 | AGAWAMUCK CREEK | 42.2464 | -73.6481 | 0 | NYS DEC | |||||||||||||||
UPPER CANDOR DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Piping | NY00938-1282 | Seepage/ piping in dam foundation seems to have increased and dam may have settled. | Irene | No | L | O | N | 7 ft | 55 ac-ft | 11 acres | 1920 | NY00938 | CATATONK CREEK | 42.235 | -76.3428 | 0 | NYS DEC | |||||||||||||||||
WINNISOOK LAKE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Erosion | NY00952-1290 | fill eroded exposing original laid-up stone dam. Hurricane Irene. | Irene | No | P | RE | R | Y | 42 ft | 135 ac-ft | 6 acres | 0 | NY00952 | ESOPUS CREEK | 42.0156 | -74.4119 | 0 | NYS DEC | ||||||||||||||||
POTAKE LAKE DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00970-1308 | EAP activated because of high water levels. Damage to downstream culverts but not dam. Hurricane Irene | Irene | Yes | U | RE | RS | Y | 22 ft | 1149 ac-ft | 93 acres | 1800 | NY00970 | TR-RAMAPO RIVER | 41.1417 | -74.2111 | 0 | NYS DEC | ||||||||||||||||
DAVIES LAKE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY00976-1284 | County ¿ received report that dam was overtopping. Dam Safety contacted owner and was advised the dam was not damaged. Hurricane Irene. | Irene | No | P | RE | R | Y | 10 ft | 160 ac-ft | 26 acres | 1956 | NY00976 | DAVIES BROOK | 41.6183 | -74.6031 | 0 | NYS DEC | ||||||||||||||||
MOUNTAINDALE RECREATION LAKE DAM | NY | L | Failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY00982-1285 | Dam overtopped and breached Hurricane Irene. | Irene | No | L | RE | R | N | 16 ft | 66 ac-ft | 11 acres | 1973 | NY00982 | BRADEN BROOK | 41.6969 | -74.5181 | 0 | NYS DEC | ||||||||||||||||
FOWLER FINCH POND DAM | NY | L | Non-failure | 03/10/2011 | Seepage/internal Erosion | Piping | NY01046-960 | Dam was breached because it was in the process of failing due to internal erosion - High water (rainfall event) - well within spillway capacity | No | 0 | 0 | None | P | RE | R | N | 16 ft | 200 ac-ft | 21 acres | 1958 | NY01046 | TR-CARRS CREEK | 42.3106 | -75.2375 | 0 | NYS DEC | ||||||||||||||
MIDDLE GREENWICH DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Spillway Chute Failure | High Reservoir Level | NY01070-1326 | EAP has been activated due to high flows. There is water flowing though some cracks on the dam. Region 5 (RG) inspected dam on 8/30 and observed concrete wall has shifted. Hurricane Irene | Irene | Yes | P | H | N | 10 ft | 80 ac-ft | 9 acres | 1902 | NY01070 | BATTEN KILL | 43.0864 | -73.4956 | 0 | NYS DEC | ||||||||||||||||
BARTLETT POND DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01114-1319 | Dam overtopped by estimated 6" of water. Hurricane Irene | Irene | No | L | RE | S | N | 14 ft | 1447 ac-ft | 70 acres | 1918 | NY01114 | BARTLETT BROOK | 44.1 | -73.5117 | 0 | NYS DEC | ||||||||||||||||
RED HOOK MILLS DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01179-1313 | dam was overtopped and now seeping. Hurricane Irene | Irene | No | Some downstream residents reported evacuated. | P | OT | R | N | 26 ft | 104 ac-ft | 12 acres | 0 | NY01179 | SAW KILL | 42.0106 | -73.8728 | 0 | NYS DEC | |||||||||||||||
LOCH LYALL DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01201-1317 | Dam overtopped. Local erosion DS face. Big trees on dam now have exposed roots. Hurricane Irene | Irene | No | P | R | N | 12 ft | 98 ac-ft | 19 acres | 1950 | NY01201 | INDIAN BROOK | 41.4156 | -73.9072 | 0 | NYS DEC | |||||||||||||||||
GUYMARD LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Sinkhole | NY01219-1286 | sinkhole noted, 2 ft diameter, over 4 ft deep, between road and fence near center of dam. | Irene | No | LP | RE | R | N | 35 ft | 600 ac-ft | 33 acres | 1858 | NY01219 | TR-NEVERSINK RIVER | 41.4319 | -74.5958 | 0 | NYS DEC | ||||||||||||||||
BELVEDERE LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01270-1283 | Report that water was flowing over 4 feet over the dam. Hurricane Irene. | Irene | No | P | OTRE | R | N | 20 ft | 210 ac-ft | 26 acres | 1900 | NY01270 | TR-CHERRY VALLEY CREEK | 42.745 | -74.7603 | 0 | NYS DEC | ||||||||||||||||
DUCK HOLE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01377-1293 | the right log crib abutment completed washed out allowing impoundment to drain. Hurricane Irene. | Irene | S | TC | R | N | 14 ft | 380 ac-ft | 58 acres | 0 | NY01377 | COLD RIVER | 44.14 | -74.1083 | 0 | NYS DEC | |||||||||||||||||
PENFIELD POND DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY01488-1320 | Left side dam had overtopped and dam suffered erosion to the left of the spillway. Hurricane Irene | Irene | No | P | RE | PR | Y | 15 ft | 1100 ac-ft | 150 acres | 1980 | NY01488 | PUTNAM CREEK | 43.9219 | -73.5356 | 0 | NYS DEC | ||||||||||||||||
ECHO LAKE DAM | NY | L | Failure | 08/28/2011 | Hydrologic/flooding | Unknown | NY13189-1800 | the dam appears to have failed. 9/23/11 failure confirmed by DEC inspection. Hurricane Irene. | Irene | No | 0 | 0 | P | MS | R | NR | 12 ft | 144 ac-ft | 16 acres | 1880 | NY13189 | ARDEN BROOK | 41.2717 | -74.1406 | 0 | |||||||||||||||
SKY VIEW POND DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY13225-1302 | overtopped and exit channel eroded, only minor damage Hurricane Irene | Irene | No | P | RE | R | N | 24 ft | 25 ac-ft | 3 acres | 1952 | NY13225 | TR-RAMAPO RIVER | 41.3133 | -74.1653 | 0 | NYS DEC | ||||||||||||||||
SCHOONMAKER LAKE DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY13232-1304 | Owner notified dam was overtopping during 8/28/11 week-end. Minor erosion on dam where it overtopped (8/31/2011). Headcutting has progressed to the mortared stone upstream face. Hurricane Irene | Irene | Yes | P | EROT | R | Y | 16 ft | 16 ac-ft | 2 acres | 1912 | NY13232 | PERRY CREEK | 41.4047 | -74.1514 | 0 | NYS DEC | ||||||||||||||||
LOWER CRAGSTON LAKE DAM | NY | H | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY13539-1315 | Dam overtopped by less than 6", minor erosion experienced downstream of core wall at toe. Hurricane Irene | Irene | No | F | RE | R | N | 10 ft | 0 ac-ft | 0 acres | 0 | NY13539 | UNKNOWN | 41.3538 | -73.9774 | 0 | NYS DEC | ||||||||||||||||
BREAKNECK BROOK DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | High Reservoir Level | NY13564-1316 | Increased seepage identified by owner NYS Parks. High water during Hurricane Irene. | Irene | No | R | N | 18 ft | 48 ac-ft | 5 acres | 0 | NY13564 | BREAKNECK BROOK | 41.4489 | -73.9633 | 0 | NYS DEC | ||||||||||||||||||
IDA LAKE DAM | NY | L | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY13740-1324 | DEC engineer inspected and observed that there has been minor overtopping. Hurricane Irene | Irene | No | L | OT | R | N | 12 ft | 95 ac-ft | 10 acres | 1912 | NY13740 | POESTENKILL | 42.7214 | -73.6728 | 0 | NYS DEC | ||||||||||||||||
WILLIAM CURTIS DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Other | NY14790-1301 | possible additional damage to already poor condition. Hurricane Irene | Irene | No | P | RE | R | Y | 15 ft | 10 ac-ft | 2 acres | 1898 | NY14790 | PERRY CREEK | 41.4075 | -74.1544 | 0 | NYS DEC | ||||||||||||||||
LILY POND DAM | NY | S | Non-failure | 08/28/2011 | Hydrologic/flooding | Overtopping | NY15089-1307 | Overtopped but little or no damage. Overtopped at left abutment of the dam, appears to be an auxiliary spillway. Hurricane Irene | Irene | No | P | RE | O | Y | 10 ft | 0 ac-ft | 10 acres | 1949 | NY15089 | TROUT BROOK | 41.2822 | -74.2461 | 0 | NYS DEC | ||||||||||||||||
GEORGETOWN LOW HEAD DAM | OH | L | Failure | 01/18/2012 | Deterioration Or Poor Condition | Other | OH00000-1788 | Collapse of large sections of dam | No | 0 | 0 | None | Former water supply intake. Incident Date from USGS video - https://www.usgs.gov/index.php/media/videos/white-oak-creek-after-low-head-dam-failure#:~:text=Detailed%20Description,%2D%20and%20high%2Dflow%20conditions. | PG | S | 15 ft | 0 ac-ft | 0 acres | 1938 | OH00000 | WHITE OAK CREEK | 0 | 0 | 0 | ODNR | |||||||||||||||
GATES MILLS LOW HEAD DAM | OH | Failure | 02/28/2011 | Hydrologic/flooding | Overtopping | OH00000-980 | high flows washed out the dam | No | some homes evacuated according to news reports the dam was exempt from state regulatory jurisdiction | PG | R | 7 ft | 0 ac-ft | 0 acres | 1903 | OH00000 | CHAGRIN RIVER | 41 | 81 | 0 | ODNR - DSWR | 12:00 AM | ||||||||||||||||||
DOW LAKE DAM | OH | H | Non-failure | 01/13/2012 | Structural Stability | Slope Stability | OH00086-1780 | Shallow slide on downstream slope | Yes | 0 | 0 | None | none | 0 ac-ft | emergency repairs made; dam now set for complete repairs | S | RE | R | Y | 66 ft | 7018 ac-ft | 161 acres | 1959 | OH00086 | STROUDS RUN | 39.33 | -82.01 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | ||||||||||
PINE ACRES LAKE DAM | OH | S | Failure | 03/19/2012 | Seepage/internal Erosion | Piping | OH00284-1783 | Piping along spillway conduit caused breach of dam | Yes | 0 | 0 | None | 33 ac-ft | dam failed slowly. Owner only noticed failure in progress due to pending dam safety inspection by state | P | RE | R | N | 22 ft | 43 ac-ft | 5 acres | 1965 | OH00284 | TRIBUTARY TO WOLF RUN | 38.93 | -82.27 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
BUFFALO LAKE ROAD DAM 2 | SD | S | Failure | 06/23/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | Piping | Sinkhole | SD00407-2140 | Based on news reports and SD Dam Safety info it appears that CMP spillways deteriorated and failed causing internal erosion and sink holes. High water in the lake exacerbated the erosion. | Roads | The CMP Spillway was added about 25 years ago per SD Dam Safety. Attached photos from both dam 1 & 2. | S | RE | R | Y | 82 ft | 2850 ac-ft | 0 acres | 1961 | SD00407 | TR CHEYENNE | 44.6217 | -102.003 | 1991 | DENR | Y | |||||||||||||
GORGE PLANT DAM | OH | H | Non-failure | 03/05/2011 | Hydrologic/flooding | High Reservoir Level | OH00481-971 | High flows over the dam reached level to activate "EAP watch" | Yes | 0 | U | CN | S | Y | 57 ft | 1149 ac-ft | 34 acres | 1912 | OH00481 | CUYAHOGA RIVER | 41.12 | -81.49 | 0 | DEPARTMENT OF NATURAL RESOURCES | ||||||||||||||||
OSAGE LAKE DAM | OH | S | Non-failure | 03/05/2011 | Deterioration Or Poor Condition | Erosion | OH00617-969 | corrosion in riser caused water level to drop and erosion of u/s slope of the embankment | Yes | 4 | PP | RE | R | Y | 28 ft | 146 ac-ft | 11 acres | 1955 | OH00617 | TRIBUTARY TO RIVER STYX | 41.06 | -81.77 | 0 | DEPARTMENT OF NATURAL RESOURCES | ||||||||||||||||
MUSKINGUM RIVER LOCK AND DAM NO. 7 | OH | S | Non-failure | 02/23/2012 | Deterioration Or Poor Condition | Other | OH00697-1782 | Partial Failure of Sheet Piling Dam | Yes | 0 | 0 | None | none | 0 ac-ft | S | OTOT | R | Y | 15 ft | 2999 ac-ft | 442 acres | 1841 | OH00697 | MUSKINGUM RIVER | 39.64 | -81.85 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
FOSTORIA UPGROUND RESERVOIR NO. 5 | OH | H | Non-failure | 06/26/2012 | Structural Stability | Slope Stability | OH00788-1781 | Shallow slide on downstream slope | Yes | 0 | 0 | None | none | 0 ac-ft | L | RE | S | Y | 35 ft | 2900 ac-ft | 129 acres | 1958 | OH00788 | EAST BRANCH PORTAGE RIVER - OFFSTREAM | 41.11 | -83.44 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
OHIO POWER COMPANY POND DAM MUR-3 | OH | S | Non-failure | 02/28/2011 | Deterioration Or Poor Condition | High Reservoir Level | OH00845-970 | Obstructed spillway caused the lake level to rise - owner performed controlled breach | No | 0 | RE | T | N | 59 ft | 818 ac-ft | 27 acres | 1962 | OH00845 | SIMS RUN | 39.91 | -81.72 | 0 | DEPARTMENT OF NATURAL RESOURCES | |||||||||||||||||
THE MEADOWS DAM | OH | S | Failure | 05/10/2012 | Seepage/internal Erosion | Piping | OH00935-1785 | Piping along spillway conduit caused breach of dam | Yes | 0 | 0 | Water/sewer lines | 30 ac-ft | RE | C | N | 22 ft | 68 ac-ft | 0 acres | 1975 | OH00935 | TRIBUTARY TO MUD BROOK | 41.17 | -81.46 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||||
BURTON LAKE DAM | OH | S | Non-failure | 02/28/2011 | Hydrologic/flooding | Overtopping | OH01611-968 | heavy rains overtopped the dam - no significant damage | Yes | 0 | L | RE | R | Y | 9 ft | 447 ac-ft | 18 acres | 1952 | OH01611 | TRIBUTARY TO BRIDGE CREEK | 41.43 | -81.18 | 0 | DEPARTMENT OF NATURAL RESOURCES | ||||||||||||||||
LAUREL LAKE DAM | OH | S | Non-failure | 03/16/2012 | Seepage/internal Erosion | Piping | OH02153-1784 | Piping through saddle dam | Yes | 0 | 0 | None | none | 0 ac-ft | P | RE | R | N | 19 ft | 88 ac-ft | 8 acres | 1955 | OH02153 | TRIBUTARY TO SAMS CREEK | 40.56 | -82.77 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
MAPLE VALLEY LAKE DAM | OH | S | Non-failure | 01/27/2012 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH02514-1787 | Leak along spillway conduit at joint near outlet | No | 0 | 0 | None | NONE | 0 ac-ft | P | RE | R | N | 26 ft | 22 ac-ft | 2 acres | 1970 | OH02514 | TRIBUTARY TO SOUTH FORK SUGAR CREEK | 40.55 | -81.63 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
WEDDING LAKE DAM | OH | L | Non-failure | 01/27/2012 | Seepage/internal Erosion | Piping | OH02535-1786 | Piping along spillway conduit caused severe erosion through dam | Yes | 0 | 0 | None | none | 0 ac-ft | Incident found during a routine periodic inspection | RE | R | N | 15 ft | 119 ac-ft | 0 acres | 1970 | OH02535 | TRIBUTARY TO BOKES CREEK | 40 | -83 | 0 | DEPARTMENT OF NATURAL RESOURCES | 12:00 AM | |||||||||||
WEWOKA | OK | Failure | 04/13/1945 | Unknown | Unknown | OK00000-192 | No | 8 | 80 | April 13-14: 14.6 inches of rain at Seminole. 80 people forced from homes, town under 4'' of water Fatalities: 8 - estimate | 0 ft | 0 ac-ft | 0 acres | 0 | OK00000 | 0 | 0 | 0 | ||||||||||||||||||||||
PRARIE FARM | OR | L | Failure | 06/14/1903 | Unknown | Unknown | OR00000-110 | No | 250 | Fatalities: 250 - Called worst natural disaster in Oregon | F | RE | F | N | 8 ft | 50 ac-ft | 0 acres | 1900 | OR00000 | PRARIE FARM CREEK | 44 | -121 | 0 | |||||||||||||||||
PRARIE FARM | OR | L | Failure | 01/01/1948 | Unknown | Unknown | OR00000-193 | No | 20000 | $50 million to $100 million | Levee failure destroyed city (never rebuilt; ~20,000 displaced); damage estimated at $100 M. | F | RE | F | N | 8 ft | 50 ac-ft | 0 acres | 1900 | OR00000 | PRARIE FARM CREEK | 44 | -121 | 0 | ||||||||||||||||
SOUTH FORK (AKA JOHNSTOWN DAM) | PA | H | Failure | 01/01/1889 | Hydrologic/flooding | Overtopping | PA00000-102 | No | 2209 | $10 million to $25 million | 37 high wall of water hit Johnstown, 9 miles downstream. The dam had a deficient outlet and spillway, had been improperly maintained, and was overtopped and washed out during heavy rains. It took 57 minutes for the 30-40 ft-high floodwave (which had re Fatalities: 2209 - Victims: 99 entire families, 396 children under the age of 10, and 755 unidentified victims. 45% of the victims whose ages were known were under 20. More than 1 in every 5 residents of Johnstown were killed. | RE | R | 72 ft | 0 ac-ft | 0 acres | 0 | PA00000 | LITTLE CONEMAUGH RIVER | 0 | 0 | 0 | ||||||||||||||||||
FORT PITT | PA | Failure | 07/05/1903 | Hydrologic/flooding | Overtopping | PA00000-109 | No | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
OAKFORD PARK | PA | Failure | 07/05/1903 | Hydrologic/flooding | Overtopping | PA00000-111 | No | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
SANDY RUN, 5 OTHERS | PA | Failure | 07/01/1977 | Unknown | Unknown | PA00000-133 | No | 5 | Precise date unknown. Fatalities: 5 - | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
LAUREL RUN | PA | Failure | 07/01/1977 | Unknown | Unknown | PA00000-134 | No | 40 | 25 | $5 million to $10 million | Precise date unknown. Fatalities: 40 - | RE | 42 ft | 0 ac-ft | 0 acres | 0 | PA00000 | 0 | 0 | 0 | ||||||||||||||||||||
BAYLESS PULP & PAPER MILL | PA | Failure | 09/30/1911 | Unknown | Unknown | PA00000-200 | No | 88 | Fatalities: 88 - | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
SPEEDWELL FORGE | PA | H | Non-failure | 10/29/2012 | Hydrologic/flooding | Overtopping | PA00345-1920 | Rising pool threatened to overtop partially breached embankment. At 23:00 hours the lowered embankment was overtopped but the embankment did not fail. | Yes | 200 | 0 | None | none | 0 ac-ft | Emergency Action Plan was up-to-date and Evacuation was smooth with no injuries. | S | RE | R | Y | 35 ft | 2372 ac-ft | 106 acres | 1966 | PA00345 | HAMMER CREEK | 40.2039 | -76.3075 | 0 | PADEP | |||||||||||
RANDALLS POND | RI | Failure | 03/11/1901 | Unknown | Spillway Deficiency | RI00000-106 | No | 0 ft | 0 ac-ft | 0 acres | 0 | RI00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
HARRIS POND | RI | Failure | 01/01/1955 | Unknown | Unknown | RI00000-196 | No | 1500 | > 1,500 evacuated; Woonsocket flooded. Failure of earthen embankment; disaster inspired citys current flood control system. | RE | 0 ft | 0 ac-ft | 0 acres | 0 | RI00000 | BLACKSTONE | 0 | 0 | 0 | |||||||||||||||||||||
SCNONAME 32095 | SC | H | Non-failure | 03/30/2011 | Deterioration Or Poor Condition | Animal Activity | SC01361-982 | Animal Burrow through dam | P | RE | R | Y | 23 ft | 93 ac-ft | 6 acres | 1950 | SC01361 | TR-KOON BRANCH | 34.0633 | -81.19 | 1989 | SCDHEC | ||||||||||||||||||
INTREPID POTASH SOUTH PERIMETER DAM | NM | S | Non-failure | 12/31/2017 | Seepage/internal Erosion | Piping | Erosion | NM00698-0396 | Significant increase in seepage up to 1,500 gpm from one location | No | 0 | 0 | 0 | None | $500,000 to $1 million | Notified State official and the on-call engineer right away. Started pumping the seepage collection pond, suspended plant operation and mobilized construction equipments to construct additional seepage berms and buttress to the dam embankment. | Dam embankment was stabilized by Jan 1, 2018. Subsequent works to assess the cause and implement a permanent repair continued. The repair was completed in March 2018 and the dam was returned to full operation. | P | RE | T | N | 29 ft | 70 ac-ft | 54 acres | 0 | NM00698 | PECOS RIVER-TR | 32.4843 | -103.792 | 0 | OFFICE OF THE STATE ENGINEER | 8:30 | 2 days | Yes | ||||||
LAKE FOREST ESTATES DAM | OH | S | Non-failure | 04/27/2017 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH02447-3114 | Collapsed principal spillway inlet | The owner lowered the water level and fixed the inlet right a way. | P | RE | R | Y | 21 ft | 58 ac-ft | 2 acres | 0 | OH02447 | TRIBUTARY TO BRANDYWINE CREEK | 41.2875 | -81.4819 | 0 | DEPARTMENT OF NATURAL RESOURCES | 3 days | Yes | OHDNR | ||||||||||||||
SIPPO CREEK RESERVOIR DAM | OH | H | Non-failure | 03/17/2017 | Deterioration Or Poor Condition | Spillway Chute Failure | Piping | OH02825-3115 | Sinkhole and seepage behind the right spillway side wall. | The owner opened the lake drain. Dam was eventually modified to be exempt. | L | RE | R | N | 18 ft | 82 ac-ft | 4 acres | 0 | OH02825 | SIPPO CREEK | 40.805 | -81.5083 | 0 | DEPARTMENT OF NATURAL RESOURCES | 6 days | Yes | OHDNR | |||||||||||||
LAKEWIND DAM | SC | S | Failure | 09/16/2018 | Hydrologic/flooding | Piping | Spillway Pipe Failure | SC00044-3117 | Primary spillway riser had been removed prior to Hurricane Florence (without a permit/approval from the State) and pond was drained. Heavy precipitation on the watershed over approximately 72 hours completely filled the impoundment and caused overtopping of the dam. The breach occurred in line with the primary spillway barrel, and breach sides are near vertical, indicating a piping failure that likely occurred after water level had receded from overtopping. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | Y | 24 ft | 173 ac-ft | 17 acres | 1900 | SC00044 | CREWS BRANCH | 34.7336 | -80.1717 | 0 | SC DHEC | SC Dam Safety | ||||||||
JORDAN POND DAM | SC | S | Failure | 09/16/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | SC00622-3118 | Heavy rainfall over 72 hours associated with Hurricane Florence caused a major inflow event. Breached at what appears to be auxiliary spillway on embankment near left abutment. Post-breach inspection shows highly-erodible sandy soil and no apparent core in the embankment. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | Y | 19 ft | 88 ac-ft | 10 acres | 1956 | SC00622 | LITTLE BOGGY SWAMP | 34.423 | -79.9951 | 0 | SC DHEC | SC Dam Safety | |||||||||
MCLAURINS MILLPOND DAM | SC | S | Failure | 09/16/2018 | Hydrologic/flooding | Debris Clogging | Overtopping | Erosion | SC00637-3119 | State Dam Safety personnel visited the dam on 9/17/2018 and found the dam was completely breached and that the primary spillway was partially obstructed with weeds and vegetation. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | Y | 11 ft | 472 ac-ft | 76 acres | 1900 | SC00637 | NAKED CREEK | 34.6754 | -79.7581 | 0 | SC DHEC | SC Dam Safety | |||||||
DAVIDS MILLPOND DAM | SC | S | Failure | 09/16/2018 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | Erosion | SC00638-3120 | Simply appears dam overtopped during the heavy rainfall associated with Hurricane Florence and suffered headcut erosion on the downstream slope at location of primary spillway. Auxiliary spillway is a concrete chute but is severely restricted by "orifice" at outlet. | Hurricane Florence | No | 0 | 0 | 0 | 0 | Roads | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | O | Y | 9 ft | 394 ac-ft | 45 acres | 1870 | SC00638 | NAKED CREEK | 34.6443 | -79.7482 | 0 | SC DHEC | SC Dam Safety | ||||||
COVINGTON MILLPOND DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | SC00645-3121 | Heavy rainfall and flooding contributed to failure. Failure occurred at the mid point of the dam due to overtopping and erosion at an area that had previously been repaired and grass cover had not been permanently established. | Hurricane Florence | No | 0 | 0 | 0 | 0 | Roads | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | IR | NR | 11 ft | 400 ac-ft | 32 acres | 1900 | SC00645 | COTTINGHAM CREEK | 34.6077 | -79.6314 | 0 | SC DHEC | SC Dam Safety | |||||||
BAXLEY 501 POND DAM | SC | S | Failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | SC01805-3122 | Hurricane Florence dropped heavy precipation on the watershed over approximately 72 hours, causing the dam to overtop. Dam was previously heavily impacted from Hurricane Matthew in 2016. Failure location is also where a void from an overturned tree was located, which is suspected as cause of the breach occurring where it did. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | Y | 7 ft | 141 ac-ft | 22 acres | 1953 | SC01805 | LITTLE REEDY CREEK | 34.1114 | -79.3352 | 0 | SC DHEC | SC Dam Safety | ||||||||
CANYON LAKE | SD | Failure | 01/01/1972 | Hydrologic/flooding | Overtopping | SD00000-128 | No | 33 | $50 million to $100 million | 237-238 killed - 33 from dam failure? $60-164 million in damages; 3,000 injured. The safety inspection and repair program was spurred by the collapse of a dam built & operated by the city near Rapid City, S.D., in 1972. More than 200 persons died and d Fatalities: 33 - | RE | 20 ft | 0 ac-ft | 0 acres | 0 | SD00000 | 0 | 0 | 0 | |||||||||||||||||||||
BUFFALO LAKE ROAD DAM 1 | SD | S | Failure | 06/23/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | SD00518-2141 | Based on news reports and SD Dam Safety info it appears that CMP spillways deteriorated and failed causing internal erosion and sink holes. High water in the lake exacerbated the erosion. | Roads | The CMP Spillway was added about 25 years ago per SD Dam Safety. Attached photos from both dam 1 & 2. | S | RE | R | Y | 95 ft | 2650 ac-ft | 0 acres | 1961 | SD00518 | TR CHEYENNE | 44.635 | -101.897 | 1991 | DENR | Y | |||||||||||||||
UNNAMED | TN | Failure | 03/28/1902 | Unknown | Spillway Deficiency | TN00000-107 | No | 0 ft | 0 ac-ft | 0 acres | 0 | TN00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
JOHN THOMPSONS MILL DAM | TN | Failure | 08/02/1916 | Unknown | Spillway Deficiency | TN00000-118 | No | 26 | 24-28 lives lost in flood, # related to failure unknown. Many houses, mills, other buldings, crops, and livestock destroyed, railroad damaged. > $30,000 in property damage (possibly $50,000 to $100,000). The dam broke following 9"" of rainfall in 5 hours, Fatalities: 26 - | 0 ft | 0 ac-ft | 0 acres | 0 | TN00000 | BARREN CREEK | 0 | 0 | 0 | ||||||||||||||||||||||
KINGSTON FOSSIL PLANT | TN | Failure | 12/22/2008 | Unknown | Unknown | TN00000-186 | No | over $100 million | Not regulated as a dam. 40-acre pond used by TVA to hold slurry of ash generated by the coal-burning Kingston Steam Plant. Failure buried a road and railroad tracks leading to the plant & 300 acres. 5.4 million cubic yards (> 1B gal) of sludge. Cleanup co | RE | T | 0 ft | 0 ac-ft | 0 acres | 0 | TN00000 | 0 | 0 | 0 | TVA | Y | |||||||||||||||||||
CITY RESERVOIR | TN | Failure | 11/04/1912 | Seepage/internal Erosion | Piping | TN00000-203 | No | 0 ft | 0 ac-ft | 0 acres | 0 | TN00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
CARROLL | TN | S | Non-failure | 06/05/2014 | Malfunction Of Equipment/gate | Gate/valve Failure | TN01703-2136 | One of the two radial gates in the spillway gave way partially. The lake drained out under the bent gate. | No | 0 | 0 | None | None | 1100 ac-ft | The left half of the dam overtopped briefly during this same time. | S | RE | NR | 20 ft | 1848 ac-ft | 110 acres | 1949 | TN01703 | CLEAR CREEK | 36.1003 | -88.4847 | 0 | TENN SAFE DAMS PRG | Y | |||||||||||
SPRINGBROOK | TN | L | Failure | 05/02/2010 | Hydrologic/flooding | Spillway Erosion/head Cutting | TN11312-765 | Spillway eroded during heavy rains | No | 0 | 0 | None | 517 ac-ft | P | RE | 0 ft | 0 ac-ft | 0 acres | 1969 | TN11312 | 0 | 0 | 2012 | |||||||||||||||||
SUNSET | TN | L | Non-failure | 05/02/2010 | Hydrologic/flooding | Overtopping | TN11313-768 | Downstream slope badly eroded due to overtopping | No | 0 | 0 | None | P | RE | NR | 27 ft | 295 ac-ft | 21 acres | 1969 | TN11313 | SPRING CREEK | 35.7169 | -88.6619 | 0 | TENN SAFE DAMS PRG | |||||||||||||||
FERN LAKE | TN | L | Failure | 05/02/2010 | Hydrologic/flooding | Spillway Erosion/head Cutting | TN11314-769 | Spillway eroded during heavy rains | No | 0 | 0 | None | 65 ac-ft | P | RE | 0 ft | 0 ac-ft | 0 acres | 1969 | TN11314 | 0 | 0 | 2012 | |||||||||||||||||
CARROLLWOOD LAKE 'A-C' | TN | S | Failure | 05/02/2010 | Unknown | Other | TN15786-770 | TN Safe Dams | No | 0 | 0 | None | 112 ac-ft | P | RE | NR | 14 ft | 161 ac-ft | 20 acres | 1988 | TN15786 | TRIB-FLETCHER CREEK | 35.1836 | -89.7689 | 0 | TENN SAFE DAMS PRG | ||||||||||||||
AUSTIN | TX | Failure | 04/06/1900 | Structural Stability | Slope Stability | TX00000-105 | No | 7 | Fatalities: 7 - Seven to 10 people were killed while watching the flood from a hydroelectric powerhouse atop the dam. Tom Miller Dam now at site. | 0 ft | 0 ac-ft | 0 acres | 0 | TX00000 | 0 | 0 | 0 | |||||||||||||||||||||||
SAN GABRIELS OVERLOOK DAM | TX | S | Non-failure | 09/08/2010 | Hydrologic/flooding | Overtopping | TX00000-1220 | Dam overtopped, but did not breach | No | 0 | 0 | RE | R | 25 ft | 0 ac-ft | 0 acres | 1960 | TX00000 | TRIBUTARY OF SOUTH FORK SAN GABRIEL RIVER | 0 | 0 | 0 | TCEQ | |||||||||||||||||
HURLEY LAKE DAM | TX | S | Failure | 11/29/2010 | Hydrologic/flooding | Overtopping | TX00000-1221 | Dam overtopped. Dam breached | No | 0 | 0 | Water/sewer lines | Unknown | 15 ac-ft | Only access to a subdivision washed out Dam not in the state inventory. Public drinking water, telephone service, and electrical services washed out. | RE | R | 20 ft | 0 ac-ft | 0 acres | 0 | TX00000 | TRIBUTARY OF FLAT CREEK | 0 | 0 | 0 | TCEQ | |||||||||||||
TYLER STATE PARK | TX | Failure | 09/12/1963 | Unknown | Unknown | TX00000-216 | No | 1 | Faulty Construction. Lake emptied, sending water across a vast area. No injuries, one home damaged. Officials at the time determined the dam failed due to a large drain being placed in the middle of the dam. The dam was replaced. In 2009, the dam needs costly repairs again de | 0 ft | 0 ac-ft | 0 acres | 0 | TX00000 | 0 | 0 | 0 | |||||||||||||||||||||||
LAKE LORRAINE DAM | TX | L | Non-failure | 04/19/2009 | Deterioration Or Poor Condition | Spillway Pipe Failure | TX00109-777 | Spillway pipe failed, partially drained lake | No | 0 | 0 | None | None | P | RE | R | NR | 24 ft | 196 ac-ft | 25 acres | 1963 | TX00109 | TR-W FORK SAN JACINTO | 30.3699 | -95.6297 | 0 | TCEQ | |||||||||||||
CLUB 13 LAKE DAM | TX | L | Failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX00255-1232 | Dam overtopped and failed | No | 0 | 0 | P | RE | R | NR | 28 ft | 324 ac-ft | 172 acres | 1966 | TX00255 | TR-BUTLER CREEK | 32.2792 | -95.4188 | 0 | TCEQ | |||||||||||||||
LOST PINE LAKE DAM | TX | S | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX00257-1240 | Dam overtopped by more than one foot. Dam did not fail, but downstream slope was severely damaged. | No | 0 | 0 | 0 ac-ft | P | RE | R | Y | 23 ft | 568 ac-ft | 36 acres | 1929 | TX00257 | TR-INDIAN CREEK | 32.3153 | -95.4152 | 0 | TCEQ | ||||||||||||||
SPRING LAKE DAM | TX | S | Failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX00268-1231 | Dam overtopped and failed | No | 0 | 0 | Public Water supply line affected | P | RE | IR | N | 23 ft | 230 ac-ft | 15 acres | 1920 | TX00268 | HITTS CREEK | 32.4298 | -95.301 | 0 | TCEQ | ||||||||||||||
RICHLAND CREEK WS SCS SITE 6A DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX00433-1253 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 24 ft | 1036 ac-ft | 35 acres | 1964 | TX00433 | TR-NORTH FORK PIN OAK CREEK | 31.8203 | -96.7322 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 16 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX01070-1255 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 31 ft | 796 ac-ft | 29 acres | 1962 | TX01070 | TR-MUNGER CREEK | 31.7883 | -96.6242 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 16A DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX01071-1254 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 20 ft | 303 ac-ft | 8 acres | 1963 | TX01071 | TR-MUNGER CREEK | 31.7907 | -96.6186 | 0 | TCEQ | |||||||||||||||
LEISURE LAKE DAM | TX | H | Non-failure | 04/25/2009 | Deterioration Or Poor Condition | Spillway Pipe Failure | TX01868-778 | Spillway pipe failed, partially drained lake | No | 0 | 0 | None | P | RE | CR | N | 25 ft | 322 ac-ft | 20 acres | 1964 | TX01868 | TR-THOMPSONS CREEK | 30.6338 | -96.4119 | 0 | TCEQ | ||||||||||||||
RICHLAND CREEK WS SCS SITE 15 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02621-1249 | Dam overtopped, but did not fail. | 0 | 0 | L | RE | C | NR | 30 ft | 1764 ac-ft | 30 acres | 1963 | TX02621 | TR-PIN OAK CREEK | 31.8507 | -96.5642 | 0 | TCEQ | ||||||||||||||||
RICHLAND CREEK WS SCS SITE 14A DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02622-1250 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 22 ft | 974 ac-ft | 42 acres | 1964 | TX02622 | TR-PIN OAK CREEK | 31.8398 | -96.608 | 2005 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 14 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02623-1251 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 22 ft | 1298 ac-ft | 50 acres | 1965 | TX02623 | TR-PIN OAK CREEK | 31.8308 | -96.5963 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 31 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02624-1248 | Dam overtopped, but did not fail. Had considerable emerency spillway damage. | No | 0 | 0 | L | RE | I | NR | 35 ft | 5838 ac-ft | 56 acres | 1963 | TX02624 | BOARD CREEK | 31.8705 | -96.5676 | 2010 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 107A DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02629-1243 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 31 ft | 886 ac-ft | 19 acres | 1970 | TX02629 | TR-BATTLE CREEK | 31.8655 | -96.7147 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 107B DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02630-1241 | Dam overtopped by nearly one foot. Dam did not fail, but downstream slope severely damaged. | No | 0 | 0 | L | RE | PF | NR | 35 ft | 595 ac-ft | 27 acres | 1964 | TX02630 | TR-BATTLE CREEK | 31.8752 | -96.7061 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 12 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02632-1252 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 22 ft | 2149 ac-ft | 53 acres | 1966 | TX02632 | ALLIGATOR CREEK | 31.8111 | -96.6272 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 110 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02634-1246 | Dam overtopped, but did not fail. Suffered slope damage. | No | 0 | 0 | L | RE | C | NR | 30 ft | 791 ac-ft | 36 acres | 1970 | TX02634 | TR-BATTLE CREEK | 31.8914 | -96.6901 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 113 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02636-1247 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 26 ft | 638 ac-ft | 30 acres | 1970 | TX02636 | TR-BATTLE CREEK | 31.9069 | -96.6653 | 0 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 109 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02642-1245 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 22 ft | 237 ac-ft | 8 acres | 1970 | TX02642 | TR-BATTLE CREEK | 31.8878 | -96.6949 | 2005 | TCEQ | |||||||||||||||
RICHLAND CREEK WS SCS SITE 105 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02643-1244 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | C | NR | 44 ft | 533 ac-ft | 12 acres | 1970 | TX02643 | TR-TREADWELL BRANCH | 31.9329 | -96.699 | 0 | TCEQ | |||||||||||||||
CEDAR CREEK WS SCS SITE 137 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02810-1257 | Dam overtopped, but did not fail. | No | 0 | 0 | L | RE | CRP | NR | 33 ft | 590 ac-ft | 14 acres | 1965 | TX02810 | TR-LACY FORK | 32.4522 | -96.0635 | 2010 | TCEQ | |||||||||||||||
CEDAR CREEK WS SCS SITE 138 DAM | TX | L | Non-failure | 06/10/2010 | Hydrologic/flooding | Overtopping | TX02811-1256 | Dam overtopped, but did not fail. | No | 0 | L | RE | CRP | NR | 29 ft | 831 ac-ft | 21 acres | 1968 | TX02811 | TR-CANEY CREEK | 32.426 | -96.0689 | 0 | TCEQ | ||||||||||||||||
OLD CITY LAKE DAM | TX | S | Failure | 03/12/2009 | Deterioration Or Poor Condition | Animal Activity | TX02850-773 | Piping through beaver holes | No | 0 | 0 | Roads | Failure occurred during a moderate rainfall event. Water apparently flowed through dam when water reached the spillway level. | P | RE | R | N | 14 ft | 92 ac-ft | 25 acres | 1956 | TX02850 | HOARD BRANCH | 32.6857 | -95.8896 | 0 | N | |||||||||||||
HEATH BRANCH FISHING CLUB LAKE DAM | TX | S | Non-failure | 05/21/2010 | Deterioration Or Poor Condition | Spillway Pipe Failure | TX02957-781 | Spillway pipe failed, partially drained lake | No | 4 | 0 | None | City emergency management personnel were contacted. One home evacuated. | P | RE | R | N | 21 ft | 400 ac-ft | 0 acres | 1940 | TX02957 | MCDONALD CREEK | 30.6646 | -95.563 | 0 | TCEQ | |||||||||||||
HIGHWAY LAKE DAM C | TX | S | Non-failure | 03/24/2009 | Unknown | Other | TX03577-774 | Spillway structure filled, but did not breach | No | 0 | 0 | P | RE | R | Y | 20 ft | 150 ac-ft | 16 acres | 1956 | TX03577 | TR-CLARKS CREEK | 32.5014 | -94.6182 | 0 | TCEQ | |||||||||||||||
LAKE MCINTYRE | TX | L | Non-failure | 03/23/2012 | Structural Stability | Slope Stability | TX03844-1380 | Slide 65 feet long from crest of dam to 14 feet down. Seepage in scarp | No | 0 | 0 | Other | 0 ac-ft | Water supply for subdivision located downstream. EAP not required of low hazard dam Per recent legislation, this dam is exempt from state regualtion until 9/1/2015. Agency could only advise, could not require anything. | P | RE | P | NR | 34 ft | 355 ac-ft | 25 acres | 1963 | TX03844 | TR-PALO PINTO CREEK | 32.585 | -98.3183 | 0 | TCEQ | ||||||||||||
BATTLE LAKE DAM | TX | L | Non-failure | 05/10/2009 | Deterioration Or Poor Condition | Spillway Riser Failure | TX04113-779 | Spillway drop inlet failed and drained the lake | No | 0 | 0 | None | County Emergency management personnel were contacted and were ready to evacuate. | L | RE | IR | NR | 32 ft | 916 ac-ft | 30 acres | 1908 | TX04113 | RIGGS CREEK | 31.548 | -96.901 | 0 | N | |||||||||||||
LITTLE DEER CREEK | UT | Failure | 06/16/1963 | Unknown | Unknown | UT00000-208 | No | 1 | Summer cabins damaged Fatalities: 1 - | 0 ft | 0 ac-ft | 0 acres | 0 | UT00000 | 0 | 0 | 0 | |||||||||||||||||||||||
SANTA CLARA | UT | H | Failure | 09/11/2012 | Deterioration Or Poor Condition | Animal Activity | UT00443-1865 | Internal erosion likely initiated through animal burrows during a heavy precipitation event. | Yes | 66 | $5 million to $10 million | 78 ac-ft | 66 homes, 18 businesses flooded. EAP initiated, no one hurt, no fatalities. | L | RE | C | Y | 40 ft | 70 ac-ft | 0 acres | 1919 | UT00443 | UNNAMED TRIB. TO SANTA CLARA | 37.1292 | -113.637 | 0 | ||||||||||||||
SOUTH CREEK - WASHINGTON COUNTY | UT | H | Non-failure | 12/21/2010 | Hydrologic/flooding | Slope Stability | UT00588-910 | Heavy rainfall resulted in a surface slump of the downstream slope just below the crest | Yes | 50 | 0 | None | $100,000 to $500,000 | 0 ac-ft | Estimated evacuation of 50 to 100 people Highway closure during EAP implementation Successful EAP operation, actual failure avoided | P | RE | I | Y | 91 ft | 2250 ac-ft | 0 acres | 1988 | UT00588 | SOUTH CREEK | 37.1472 | -112.985 | 0 | 12:00 AM | |||||||||||
BARCROFT | VA | Failure | 06/21/1972 | Hydrologic/flooding | Overtopping | VA00000-129 | No | Stuck gates during tropical storm Agnes. | 0 ft | 0 ac-ft | 0 acres | 0 | VA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SEVERAL SMALL UNREGULATED DAMS | VA | Failure | 01/01/2008 | Unknown | Unknown | VA00000-178 | No | Some small unregulated dams failed during the past year. The total number of failures and extent of damages are not known. Known dams that failed (unregulated) were greater than 8 feet but less than 25 feet in height. | 0 ft | 0 ac-ft | 0 acres | 0 | VA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
SALTVILLE MUCK OR MATHIESON ALAKALI WORKS | VA | Failure | 12/24/1924 | Unknown | Unknown | VA00000-217 | No | 19 | Palmertown Tragedy tons of waste raced through the tiny community of Palmertown. Pieces of the dam and boulders of muck blocked the North Fork of the Holston River, sending the flood upstream into the even smaller community of Chinch Row. Fatalities: 19 - | RE | T | 100 ft | 0 ac-ft | 0 acres | 0 | VA00000 | HOLSTON | 0 | 0 | 0 | ||||||||||||||||||||
BOWEN 2 | VA | Failure | 08/06/2010 | Structural Stability | Cracking | VA00000-281 | test | 0 ft | 0 ac-ft | 0 acres | 0 | VA00000 | 0 | 0 | 0 | |||||||||||||||||||||||||
PEDLAR RIVER DAM | VA | H | Non-failure | 08/23/2011 | Seismic | Other | VA00905-1142 | Obvious earthquake, stage I declared immediately after | Yes | 0 | 0 | 0 ac-ft | Visual inspection of dam performed, once it was determined there was no cracks, dislocations, or other signs of movement, EAP Stage 1 terminated. | L | PG | RS | Y | 87 ft | 4300 ac-ft | 125 acres | 1964 | VA00905 | PEDLAR RIVER | 37.67 | -79.2767 | 0 | DCR | 12:00 AM | ||||||||||||
BYLLESBY | VA | H | Non-failure | 01/31/2013 | Hydrologic/flooding | Overtopping | VA03501-1540 | Severe storms caused water to flow over the dam and flashboards, causing the water pressure to build up to potentially unsafe levels behind the dams. The flashboards are designed to give way but in this case, they needed to be removed by hand. | Yes | Pulaski County declared a state of emergency and issued mandatory evacuations in the Parrott, Belspring, Hiwassee, Delton, and Allisonia communities. About 80 homes were contacted for evacuation. | U | PGCN | HR | Y | 63 ft | 2034 ac-ft | 242 acres | 1912 | VA03501 | NEW RIVER | 36.7858 | -80.9336 | 1993 | DCR | Y | |||||||||||||||
BUCK | VA | H | Non-failure | 01/31/2013 | Hydrologic/flooding | Overtopping | VA03502-1542 | Severe storms caused water to flow over the dam and flashboards, causing the water pressure to build up to potentially unsafe levels behind the dams. The flashboards are designed to give way but in this case, they needed to be removed by hand. | Yes | Pulaski County declared a state of emergency and issuedmandatory evacuations in the Parrott, Belspring, Hiwassee, Delton, and Allisonia communities. About 80 homes were contacted for evacuation. | U | PGCN | HR | Y | 45 ft | 708 ac-ft | 68 acres | 1912 | VA03502 | NEW RIVER | 36.8078 | -80.9386 | 1993 | DCR | Y | |||||||||||||||
FARMVILLE DAM | VA | S | Non-failure | 09/23/2011 | Hydrologic/flooding | Spillway Chute Failure | VA14717-1141 | Excessive rainfall caused spillway to fail, dam did not fail | No | 0 | 0 | 0 ac-ft | 13 school buses were re-routed as a precaution dam is uncertified and does not have an EAP VDOT, Dam Safety and county officials (Prince Edward County) worked very well together to determine potential impacts if the dam were to fail | P | RE | R | N | 22 ft | 300 ac-ft | 12 acres | 0 | VA14717 | TANYARD BR. OF BRIERY CREEK | 37.2383 | -78.42 | 0 | DCR | 12:00 AM | ||||||||||||
UNKNOWN | VT | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | VT00000-177 | No | Failure of earth embankment/timber crib spillway dam due to overtopping during flash flood. | TC | 0 ft | 0 ac-ft | 0 acres | 0 | VT00000 | 0 | 0 | 0 | |||||||||||||||||||||||
BOXLEY BURST | WA | Failure | 12/01/1918 | Seepage/internal Erosion | Excessive/increased Seepage | WA00000-123 | No | precise date unknown. Excessive seepage through glacial moraine abutment caused mud flow about 1 mi. from reservoir. Destroyed RR line & village of Eastwick. | MS | 0 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
SID WHITE | WA | Failure | 05/01/1971 | Seepage/internal Erosion | Piping | WA00000-125 | No | Seepage thru animal burrows. Earthen dam failed, causing second dam to fail and dump debris into town of Riverside. | 0 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
EASTWICK RR FILL | WA | Failure | 02/07/1932 | Hydrologic/flooding | Overtopping | WA00000-190 | No | 7 | Village of Earthwick destroyed. Blockage of culvert by slide caused RR fill to back up water and fail. Fatalities: 7 - | 0 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
LOUP LOUP | WA | Failure | 04/01/1938 | Unknown | Unknown | WA00000-191 | No | Precise date unknown. 50 foot high hydraulic fill dam failed when emergency spillway was undercut during a flood. 75 people left homeless. | HF | 0 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | |||||||||||||||||||||||
LAKE DAWN | WA | Failure | 02/01/1950 | Hydrologic/flooding | Overtopping | WA00000-194 | No | None | Precise date unknown. | RE | 0 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | ||||||||||||||||||||||
NORTH STAR SAND & GRAVEL DAMS | WA | Failure | 12/01/1967 | Hydrologic/flooding | Overtopping | WA00000-213 | No | Precise date unknown. 40 foot high dam washed out due to lack of spillway. 25 foot high dam rebuilt, also failed. | 40 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
PILLAR ROCK | WA | Failure | 01/01/1970 | Hydrologic/flooding | Overtopping | WA00000-215 | No | 3 | Precise date unknown, fish cannery destroyed. Logging roadfill culvert blocked by debris, overtopped and failed, caused 25 foot high concrete gravity dam to fail.. | PG | 25 ft | 0 ac-ft | 0 acres | 0 | WA00000 | 0 | 0 | 0 | ||||||||||||||||||||||
CARO DAM | MI | L | Non-failure | 04/14/2014 | Malfunction Of Equipment/gate | Gate/valve Failure | MI00381-2060 | structural failure of tainter gate due to deterioration | No | 0 | 0 | P | PG | NR | 19 ft | 900 ac-ft | 200 acres | 1928 | MI00381 | CASS RIVER | 43.4617 | -83.4167 | 0 | Michigan DEQ | ||||||||||||||||
WRACO LODGE DAM | MI | L | Failure | 04/14/2014 | Hydrologic/flooding | Overtopping | MI01812-2021 | peak discharge apparently exceeded spillway capacity, causing overtopping | No | 0 | 0 | RE | R | NR | 8 ft | 1100 ac-ft | 452 acres | 1928 | MI01812 | WOLF CREEK | 44.221 | -84.7741 | 0 | Michigan DEQ | ||||||||||||||||
WILLOW SPRINGS LAKE DAM | GA | L | Failure | 04/07/2014 | Unknown | Under Investigation | GA02463-2020 | GA Safe Dams Program investigated after reports of breaching. There was some evidence of overtopping in the past. Also trees and brush and a dilapidated spillway riser structure. | No | 0 | 1 | Roads | See attached inspection report. | P | RE | R | NR | 39 ft | 309 ac-ft | 12 acres | 1954 | GA02463 | UNKNOWN | 33.93 | -84.9222 | 0 | GA-SAFE DAMS PROGRAM | Y | ||||||||||||
WANAPUM | WA | H | Non-failure | 02/28/2014 | Unknown | Under Investigation | WA00085-2000 | An engineer noticed a slight irregular bowing above the spillway gates Divers found a 2-inch-wide crack that stretched for 65 feet along the base of one of the dam's spillway piers. | Yes | 0 | Grant County authorities have activated an emergency-response plan. Officials said there is no threat to the public from the crack. The owner lowered water levels a total of 20 feet. After the lowering the crack closed and the monolith moved 1.75 inches back upstream | U | PGERCN | HCR | Y | 205 ft | 796000 ac-ft | 14590 acres | 1965 | WA00085 | COLUMBIA RIVER | 46.8731 | -119.97 | 0 | Federal Energy Regulatory Com | |||||||||||||||
DAN RIVER ACTIVE PRIMARY ASH BASIN | NC | H | Failure | 02/02/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | NC05945-1980 | Failure of a 48-inch corrugated metal storm-water pipe that ran beneath the ash basin released ash slurry into the adjacent river. | 83 ac-ft | An estimated 82,000 tons of ash were released into the river. The pipe was thought to be reinforced concrete but it was actually CMP and only RCP at the outlet. Estimated 27 M gallons of basin water released. | U | RE | O | Y | 40 ft | 0 ac-ft | 0 acres | 0 | NC05945 | DAN RIVER | 36.4883 | -79.7148 | 0 | NCDENR | Y | |||||||||||||||
UNAUTHORIZED DAM | WI | Failure | 01/01/2008 | Hydrologic/flooding | Overtopping | WI00000-180 | No | RE | 0 ft | 0 ac-ft | 0 acres | 0 | WI00000 | 0 | 0 | 0 | ||||||||||||||||||||||||
BEAUFONT SPRING DAM | VA | S | Non-failure | 08/06/2014 | Hydrologic/flooding | Overtopping | VA04177-2443 | Overtopping resulted in erosion of downstream face | Damage limited to the dam itself | P | N | 33 ft | 139 ac-ft | 0 acres | 0 | VA04177 | TRIB. POWHITE CREEK | 37.5078 | -77.5312 | 0 | DCR | |||||||||||||||||||
RIEVES DAM | VA | L | Non-failure | 07/03/2014 | Deterioration Or Poor Condition | Spillway Riser Failure | VA04123-2445 | Plugged riser failed resulting in partial breach | Damage limited to the dam itself | P | RE | R | NR | 16 ft | 50 ac-ft | 0 acres | 1956 | VA04123 | ASHT0N CREEK | 37.3412 | -77.4463 | 0 | DCR | |||||||||||||||||
LOWER MEADOWDALE DAM | VA | S | Failure | 06/11/2014 | Seepage/internal Erosion | Piping | VA04173-2447 | piping failure resulting in partial breach | Damage limited to the dam itself | N | 11 ft | 49 ac-ft | 0 acres | 0 | VA04173 | TRIB. FALLING CREEK | 37.4373 | -77.4567 | 0 | DCR | ||||||||||||||||||||
CORTI-JENCEN DAM | VA | H | Failure | 05/14/2014 | Seepage/internal Erosion | Piping | VA00000-2458 | piping failure resulted in partial breach | damages limited to the dam | 1989 ft | 0 ac-ft | 0 acres | 0 | VA00000 | 0 | 0 | 0 | VA DEQ | ||||||||||||||||||||||
PVCC DAM | VA | L | Non-failure | 04/27/2014 | Malfunction Of Equipment/gate | Gate/valve Failure | VA00380-2457 | Gate/valve failure resulted in draining of lake | damages limited to drained lake a fish kill | S | RE | R | Y | 38 ft | 109 ac-ft | 2 acres | 1960 | VA00380 | TRIB. MOORES CREEK | 38.0067 | -78.4883 | 0 | DCR | |||||||||||||||||
ROLLING VISTA DAM | IN | H | Non-failure | 04/27/2015 | Unknown | Under Investigation | IN00000-2621 | The 20 year old corrugated metal principal spillway pipe is failing A substantial sinkhole has opened above the pipe indicating that embankment material has been eroded out There are stress cracks on the top and slope of the embankment Further the emba | This is a 24 foot high undocumented dam appears to both large enough to be State Regulated and High Hazard. It is situated southeast of Mooresville, north of SR 144 and approximately a mile west of Mann Road. | RE | 1991 ft | 0 ac-ft | 0 acres | 0 | IN00000 | 0 | 0 | 0 | ||||||||||||||||||||||
SILVER-CRYSTAL DAM | KY | S | Failure | 04/07/2015 | Structural Stability | Foundation Deficiency | KY00019-2562 | The breach appears to have been caused by a foundation failure. | No | 0 | 0 | 0 | 0 | The dam was classified as moderate hazard due to a road and railroad downstream. There was no damage to either one. | P | RE | R | NR | 15 ft | 91 ac-ft | 10 acres | 1950 | KY00019 | WILSON CREEK | 38.105 | -85.7333 | 0 | DOW | No | |||||||||||
KEYSTONE WOODS LAKE DAM | IN | H | Non-failure | 03/31/2015 | Seepage/internal Erosion | Spillway Pipe Failure | Sinkhole | IN00485-2564 | Actively growing sinkhole (about 3 by 5 feet in area, and about 5 feet deep) in the dam. A field visit confirmed the sinkhole had formed over the noticeably deteriorated 36¿ corrugated metal principal spillway pipe. | No | P | RE | R | N | 22 ft | 179 ac-ft | 7 acres | 1973 | IN00485 | UNNAMED TRIBUTARY BLUE WOODS CREEK | 39.9464 | -86.1056 | 0 | IDNR | ||||||||||||||||
TOLNA DAM NO. 1 | ND | S | Non-failure | 03/13/2015 | Deterioration Or Poor Condition | Spillway Chute Failure | ND00027-2609 | Caused by water flowing under the spillway and causing erosion under the spillway | 0 | 0 | 0 | 0 | This is an old dam built in the 1930s and it has a history of problems with seepage under the spillway. No evacuations were necessary, but ND Highway 15, immediately downstream of the dam, was closed overnight as a precaution. The dam did not fail completely, and is currently being repaired. | L | RE | R | Y | 36 ft | 3080 ac-ft | 166 acres | 1936 | ND00027 | TOLNA COULEE | 47.8045 | -98.3943 | 1941 | NDSWC | |||||||||||||
SENATOBIA LAKES INCORPORATED POND DAM | MS | L | Non-failure | 03/12/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | MS01131-2607 | FAILURE OF THE PRIMARY SPILLWAY (CMP) THAT WAS PREVIOUSLY FILLED WITH CONCRETE | No | 0 | 1 | 0 | 0 | A 20 FT WIDE CUT WAS MADE TO ACT AS THE PRIMARY SPILLWAY. HOA WAS ADVISED TO KEEP THE LAKE LEVEL LOWER UNTIL REPAIRS ARE MADE OR THE DAM IS BREACHED | P | RE | R | NR | 14 ft | 75 ac-ft | 0 acres | 1970 | MS01131 | TR- HICKAHALA CREEK | 34.625 | -89.875 | 0 | MS Dept. of Environmental Quality | ||||||||||||
CUMMINS CREEK WS SCS SITE 30 DAM | TX | L | Non-failure | 04/18/2016 | Hydrologic/flooding | Spillway Deficiency | TX01904-2900 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 42 ft | 3202 ac-ft | 33 acres | 1969 | TX01904 | POOL BRANCH | 29.9169 | -96.6341 | 0 | TCEQ | ||||||||||||||||||
CITY OF GRAND SALINE DAM | TX | L | Non-failure | 12/27/2015 | Hydrologic/flooding | Spillway Deficiency | TX02837-2902 | PIPE FAILURE | L | RE | R | NR | 31 ft | 673 ac-ft | 64 acres | 1924 | TX02837 | SIMMONS CREEK | 32.6839 | -95.7361 | 0 | TCEQ | ||||||||||||||||||
MOSHER BIG LAKE DAM | TX | S | Non-failure | 05/30/2016 | Hydrologic/flooding | Overtopping | TX02913-2903 | OVERTOPPED, DID NOT BREACH EXTENSIVE SLOPE DAMAGE | P | RE | R | N | 26 ft | 342 ac-ft | 39 acres | 1942 | TX02913 | TR-BANDERA CREEK | 29.7839 | -99.0648 | 1990 | TCEQ | ||||||||||||||||||
TWIN LAKES DAM NO 1 | TX | L | Non-failure | 05/30/2016 | Hydrologic/flooding | Overtopping | TX02914-2904 | OVERTOPPED, DID NOT BREACH EXTENSIVE SLOPE DAMAGE | P | RE | R | NR | 21 ft | 121 ac-ft | 13 acres | 1948 | TX02914 | TR-BANDERA CREEK | 29.7787 | -99.0667 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 17 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX03425-2906 | SPILLWAY DAMAGE | L | RE | C | Y | 35 ft | 5312 ac-ft | 51 acres | 1969 | TX03425 | COWPEN CREEK | 29.9999 | -97.709 | 0 | TCEQ | ||||||||||||||||||
LAKE DEERWOOD DAM | TX | S | Non-failure | 03/10/2016 | Hydrologic/flooding | Erosion | TX03582-2907 | EROSION OF DOWNSTREAM SLOPE | P | RE | R | Y | 27 ft | 396 ac-ft | 25 acres | 1971 | TX03582 | TR-BRUSHY CREEK | 32.7131 | -94.5612 | 0 | TCEQ | ||||||||||||||||||
AMANDA LAKE DAM | TX | L | Failure | 05/27/2016 | Hydrologic/flooding | Overtopping | TX03774-2910 | OVERTOPPING, BREACHED | P | RE | R | NR | 26 ft | 1883 ac-ft | 0 acres | 1959 | TX03774 | TR-WOLF CREEK | 30.8889 | -94.4003 | 1996 | TCEQ | ||||||||||||||||||
TEHUACANA CREEK WS SCS SITE 8 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04118-2911 | SPILLWAY DAMAGE | LP | RE | CP | NR | 28 ft | 1528 ac-ft | 37 acres | 1964 | TX04118 | MOOSE CREEK | 31.7426 | -96.9988 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 81 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04227-2912 | SPILLWAY DAMAGE | L | RE | C | NR | 34 ft | 703 ac-ft | 32 acres | 1974 | TX04227 | TR-ASH CREEK | 31.8944 | -96.9638 | 1992 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 82 DAM | TX | S | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04228-2913 | SEVERE SPILLWAY DAMAGE | L | RE | C | N | 32 ft | 1222 ac-ft | 44 acres | 1974 | TX04228 | TR-ASH CREEK | 31.8999 | -96.9482 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 90 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04233-2914 | SPILLWAY DAMAGE | L | RE | C | NR | 25 ft | 429 ac-ft | 16 acres | 1974 | TX04233 | TR-LITTLE COTTONWOOD CREEK | 31.8854 | -96.8571 | 0 | TCEQ | ||||||||||||||||||
MOONSHINE CREEK DAM NO 2 | TX | L | Non-failure | 12/27/2015 | Hydrologic/flooding | Spillway Deficiency | TX04344 -2915 | SEVERE SPILLWAY DAMAGE | P | RE | R | NR | 21 ft | 58 ac-ft | 0 acres | 1969 | TX04344 | TR-COON CREEK | 32.1634 | -95.7848 | 0 | TCEQ | ||||||||||||||||||
OAK FOREST LAKE DAM | TX | S | Non-failure | 08/29/2017 | Seepage/internal Erosion | Piping | TX04450-2916 | INTERNAL EROSION | Harvey | P | RE | R | N | 30 ft | 192 ac-ft | 11 acres | 1974 | TX04450 | TR-CAMPBELLS CREEK | 30.776 | -96.4889 | 0 | TCEQ | TX DEQ | ||||||||||||||||
TEHUACANA CREEK WS SCS GSS 5 1 | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Overtopping | TX04468-2917 | OVERTOPPED, DID NOT BREACH SPILLWAY DAMAGE | L | RE | CPO | NR | 17 ft | 129 ac-ft | 7 acres | 1977 | TX04468 | BROOKEEN CREEK | 31.886 | -97.04 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 92A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04473-2918 | SPILLWAY DAMAGE | L | RE | C | NR | 30 ft | 734 ac-ft | 12 acres | 1977 | TX04473 | TR-COTTONWOOD CREEK | 31.817 | -96.8798 | 0 | TCEQ | ||||||||||||||||||
CASTLEMAN CREEK WS SCS SITE 4 DAM | TX | S | Non-failure | 03/09/2016 | Hydrologic/flooding | Sliding | TX04507-2919 | SLIDE | LP | RE | C | Y | 31 ft | 760 ac-ft | 15 acres | 1975 | TX04507 | TR-CASTLEMAN CREEK | 31.422 | -97.1069 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 71A DAM | TX | S | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04630-2920 | SEVERE SPILLWAY DAMAGE | L | RE | C | N | 25 ft | 704 ac-ft | 16 acres | 1979 | TX04630 | TR-BYNUM CREEK | 31.9619 | -96.9201 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 16 DAM | TX | S | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX04657-2921 | SPILLWAY DAMAGE | L | RE | C | N | 41 ft | 3642 ac-ft | 20 acres | 1975 | TX04657 | ELM CREEK | 30.0037 | -97.7399 | 0 | TCEQ | ||||||||||||||||||
PLUM CREEK WS SCS SITE 7 DAM | TX | H | Non-failure | 10/28/2015 | Hydrologic/flooding | Spillway Deficiency | TX04711-2922 | SPILLWAY DAMAGE | L | RE | C | Y | 40 ft | 498 ac-ft | 11 acres | 1975 | TX04711 | TR-PLUM CREEK | 29.9674 | -97.7949 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 65 DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04712-2923 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 33 ft | 440 ac-ft | 12 acres | 1977 | TX04712 | TR-PECAN CREEK | 31.9848 | -96.9399 | 0 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 91A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX04754-2924 | SPILLWAY DAMAGE | L | RE | C | NR | 32 ft | 1474 ac-ft | 37 acres | 1979 | TX04754 | LITTLE COTTONWOOD CREEK | 31.8732 | -96.8663 | 0 | TCEQ | ||||||||||||||||||
DOUBLE A LAKE 1 DAM | TX | S | Non-failure | 08/29/2017 | Hydrologic/flooding | Overtopping | TX04856-2925 | OVERTOPPED, DID NOT BREACH | Harvey | P | RE | R | NR | 15 ft | 164 ac-ft | 11 acres | 1942 | TX04856 | TR-BIG SANDY CREEK | 30.6965 | -94.7329 | 0 | TCEQ | TX DEQ | ||||||||||||||||
SMITH LAKE DAM | TX | S | Failure | 08/31/2017 | Hydrologic/flooding | Unknown | TX05269-2926 | FAILURE OF DAM | Harvey | P | RE | N | 16 ft | 70 ac-ft | 55 acres | 1950 | TX05269 | TR-LITTLE COW CREEK | 31.0061 | -93.708 | 0 | TCEQ | TX DEQ | |||||||||||||||||
RICHLAND CREEK WS SCS SITE 70 DAM | TX | S | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX05774-2927 | SEVERE SPILLWAY DAMAGE | L | RE | C | N | 33 ft | 535 ac-ft | 21 acres | 1981 | TX05774 | TR-BYNUM CREEK | 31.9498 | -96.935 | 0 | TCEQ | ||||||||||||||||||
BIG CREEK DAM | TX | H | Non-failure | 12/27/2015 | Hydrologic/flooding | Erosion | TX06314-2928 | SEVERE UPSTREAM SLOPE SLIDE | L | RE | S | N | 38 ft | 6625 ac-ft | 15 acres | 1987 | TX06314 | BIG CREEK | 33.3924 | -95.6941 | 2001 | TCEQ | ||||||||||||||||||
RICHLAND CREEK WS SCS SITE 92B | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX06715-2929 | SPILLWAY DAMAGE | L | RE | PF | NR | 30 ft | 450 ac-ft | 13 acres | 1986 | TX06715 | TR-COTTONWOOD CREEK | 31.8544 | -96.926 | 0 | TCEQ | ||||||||||||||||||
TEHUACANA CREEK WS SCS SITE 2A DAM | TX | L | Non-failure | 10/25/2015 | Hydrologic/flooding | Spillway Deficiency | TX06718-2930 | SEVERE SPILLWAY DAMAGE | L | RE | C | NR | 42 ft | 2016 ac-ft | 44 acres | 1979 | TX06718 | MESQUITE CREEK | 31.8033 | -96.9583 | 0 | TCEQ | ||||||||||||||||||
DENTON CREEK WS SCS SED CONT STR 7 2 | TX | L | Non-failure | 05/30/2015 | Hydrologic/flooding | Spillway Deficiency | TX06958-2931 | SPILLWAY EROSION | L | RE | C | NR | 38 ft | 89 ac-ft | 0 acres | 1973 | TX06958 | BRADEN BRANCH | 33.5185 | -97.5959 | 0 | TCEQ | ||||||||||||||||||
ARMADILLO DRIVE LAKE DAM | TX | S | Non-failure | 08/29/2017 | Hydrologic/flooding | Overtopping | Animal Activity | TX07087-2932 | OVERTOPPED, BEAVER HOLES. DID NOT BREACH | Harvey | P | RE | N | 16 ft | 47 ac-ft | 0 acres | 1800 | TX07087 | 30.7896 | -95.5282 | 0 | TCEQ | TX DEQ | |||||||||||||||||
FORT YARGO LAKE STATE PARK DAM | GA | H | Non-failure | 01/01/2019 | Hydrologic/flooding | High Reservoir Level | GA00604-3350 | Emergency spillway activated. | No | Unknown | Unknown | Unknown | Unknown | Unknown | Program visited site. Minimal erosion damage was noted. | Emergency spillway was functioning as designed. | S | RE | C | Y | 49 ft | 7460 ac-ft | 263 acres | 1964 | GA00604 | MARBURG CREEK | 33.9621 | -83.7246 | 0 | GA-SAFE DAMS PROGRAM | Unknown | GA Safe Dams Program | ||||||||
LAKE TIAK O KHATA | MS | H | Non-failure | 01/21/2015 | Seepage/internal Erosion | Piping | MS00189-2941 | 0 | 0 | 0 | None | 0 ac-ft | FORREST BETWEEN DAM AND HWY 43 BRIDGE. HWY 43 WAS DOWNSTREAM BUT THE BANKS WERE HIGH ENOUGH THAT NEARLY NO HAZARD WAS POSSIBLE WITHOUT A CATASTROPHIC RELEASE AT A FULL POOL. | P | RE | R | Y | 33 ft | 650 ac-ft | 0 acres | 1954 | MS00189 | TRIB OF HUGHES CREEK | 33.0956 | -89.0728 | 2010 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||
OKTIBBEHA COUNTY LAKE DAM | MS | H | Non-failure | 03/12/2015 | Deterioration Or Poor Condition | Unknown | MS00338-2942 | PREVIOUSLY LOW HAZARD RECLASSIFIED TO HIGH HAZARD | 0 | 1 | 0 | NONE | 20 ac-ft | L | RE | C | Y | 43 ft | 10430 ac-ft | 479 acres | 1965 | MS00338 | BIBA WITA CREEK | 33.505 | -88.9317 | 2003 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||
LAKE COLUMBIA DAM | MS | L | Non-failure | 05/25/2015 | Seepage/internal Erosion | Piping | MS00541-2943 | 0 | 0 | 0 | Roads | Unknown | CULVERT Damaged | S | RE | R | NR | 20 ft | 990 ac-ft | 96 acres | 0 | MS00541 | 31.1833 | -89.7383 | 0 | MS Dept. of Environmental Quality | 1:00 PM | MS DEQ | ||||||||||||
SENATOBIA LAKES INCORPORATED POND DAM | MS | L | Non-failure | 07/01/2015 | Structural Stability | Slope Stability | MS01131-2944 | 0 | 0 | 0 | None | 0 ac-ft | P | RE | R | NR | 14 ft | 75 ac-ft | 0 acres | 1970 | MS01131 | TR- HICKAHALA CREEK | 34.625 | -89.875 | 0 | MS Dept. of Environmental Quality | MS DEQ | |||||||||||||
ROBIN HOOD LAKE NUMBER 4 DAM | MS | H | Failure | 11/06/2015 | Hydrologic/flooding | Overtopping | MS01275-2945 | WE WERE NOTIFIED OF THE FAILURE ON DECEMBER 16, 2015. | 0 | 0 | 1 | ONE HOME AT 119 FALCON RIDGE DRIVE IN RAYMOND WAS FLOODED APPROX. ANKLE DEEP | P | RE | R | N | 17 ft | 84 ac-ft | 8 acres | 1964 | MS01275 | TR- TUMBALOO CREEK | 32.2011 | -89.9617 | 0 | MS Dept. of Environmental Quality | MS DEQ | |||||||||||||
PINEY WOODS LAKE DAM | MS | L | Failure | 11/20/2015 | Deterioration Or Poor Condition | Unknown | MS01305-2946 | 0 | 0 | 0 | P | RE | R | NR | 23 ft | 350 ac-ft | 0 acres | 0 | MS01305 | 32.0683 | -89.9983 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||||
MAYWOOD SUBDIVISION - SHAHKOKA DAM | MS | H | Non-failure | 12/28/2015 | Hydrologic/flooding | Overtopping | MS01512-2947 | 0 | 0 | 0 | Water/sewer lines | THE DAM HAS A VERY LARGE DRAINAGE AREA COMPARED TO THE DAM. THEREFORE THE PROBABILITY OF THIS INCIDENT OCCURING AGAIN IS HIGHLY LIKELY. THE AREA THAT SEVERELY HEAD CUTTED BACK IN THE CENTER SECTION OF THE DAM WILL NEED SOME FORM OF PROTECTION OTHERWISE IT | P | RE | R | Y | 21 ft | 373 ac-ft | 23 acres | 1948 | MS01512 | CAMP CREEK | 34.9678 | -89.8506 | 0 | MS Dept. of Environmental Quality | MS DEQ | |||||||||||||
DELTA CREST SUBDIVISION LAKE DAM | MS | L | Non-failure | 12/29/2015 | Hydrologic/flooding | Overtopping | MS01572-2948 | DOWNSTREAM RISER WAS CLOGGED SO EMERGENCY SPILLWAY WAS RUNNING AND PERFORMING WELL. WE RECEIVED A CALL FROM THE JONES COUNTY EMERGENCY MANAGER AND RESPONDED THE NEXT DAY. BY THE TIME WE GOT THERE THEY HAD FIXED THE DOWNSTREAM RISER AND WATER HAD STOPPE | 0 | 0 | 0 | None | P | RE | R | NR | 16 ft | 120 ac-ft | 0 acres | 0 | MS01572 | 34.8283 | -90.195 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||
LATHAM POND DAM | MS | L | Failure | 01/26/2016 | Seepage/internal Erosion | Piping | MS01784-2949 | 0 | NONE, BUT ROAD WAS CLOSED IN CASE EMERGENCY RELEASE OF WATER OCCURRED; DID CLOSE DOWNSTREAM ROAD AT THE TOE OF DAM | 0 | Roads | TRYING TO GET DAM OWNER TO REDUCE POOL UNTIL WORK CAN BE DONE THIS SUMMER ON THE DAM. | P | RE | R | NR | 14 ft | 54 ac-ft | 0 acres | 0 | MS01784 | 32.2167 | -90.3517 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||
TRACE STATE PARK DAM | MS | H | Non-failure | 01/29/2016 | Structural Stability | Slope Stability | MS02804-2950 | 0 | 0 | 0 | None | 0 ac-ft | S | RE | R | Y | 47 ft | 12925 ac-ft | 565 acres | 1974 | MS02804 | 34.2367 | -88.895 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||
TRACE STATE PARK DAM | MS | H | Non-failure | 02/01/2016 | Seepage/internal Erosion | Piping | MS02804-2951 | 0 | 0 | 0 | Roads | 0 ac-ft | S | RE | R | Y | 47 ft | 12925 ac-ft | 565 acres | 1974 | MS02804 | 34.2367 | -88.895 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||
GAYLE EVANS LAKE DAM | MS | L | Non-failure | 02/15/2016 | Hydrologic/flooding | Overtopping | MS02814-2952 | 0 | P | RE | R | NR | 25 ft | 125 ac-ft | 0 acres | 0 | MS02814 | 31.5167 | -90.7083 | 0 | MS Dept. of Environmental Quality | MS DEQ | ||||||||||||||||||
TRUMAN ROBERTS NUMBER 1 DAM | MS | L | Non-failure | 03/10/2016 | Structural Stability | Slope Stability | MS03096-2953 | 0 | 0 | Roads | 0 ac-ft | P | RE | R | NR | 19 ft | 267 ac-ft | 0 acres | 0 | MS03096 | 31.0572 | -89.3397 | 0 | MS Dept. of Environmental Quality | MS DEQ | |||||||||||||||
ALBRITTON LAKE DAM | MS | S | Non-failure | 03/11/2016 | Hydrologic/flooding | Overtopping | MS03326-2954 | 0 | P | RE | R | NR | 33 ft | 1369 ac-ft | 80 acres | 1995 | MS03326 | TR. MILL CREEK | 30.9806 | -89.6881 | 0 | MS Dept. of Environmental Quality | 5:00 AM | MS DEQ | ||||||||||||||||
SANDSTONE LAKE DAM | MS | L | Non-failure | 03/11/2016 | Hydrologic/flooding | Overtopping | MS03679-2955 | 0 | 0 | 0 | P | RE | R | NR | 16 ft | 200 ac-ft | 14 acres | 2006 | MS03679 | CEDAR GROVE CREEK | 33.7639 | -88.3619 | 0 | MS Dept. of Environmental Quality | 12:00 PM | MS DEQ | ||||||||||||||
LIRETTE LAKE DAM | MS | L | Non-failure | 03/12/2016 | Seepage/internal Erosion | Piping | MS03742-2956 | A SMALL BERM OF QUIKCRETE BAGS WAS BUILT AROUND THE AREA AND THE PIPING DID NOT PROGRESS. | 0 | P | RE | R | NR | 28 ft | 196 ac-ft | 17 acres | 2009 | MS03742 | 31.6619 | -88.5728 | 0 | MS Dept. of Environmental Quality | MS DEQ | |||||||||||||||||
LOCH LOMMOND | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC02137-2965 | breached completely and lake drained | Matthew | No | 0 | 0 | $1 million to $5 million | P | RE | R | N | 21 ft | 109 ac-ft | 0 acres | 0 | NC02137 | STEWARTS CREEK | 35.07 | -78.998 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||
LONG VALLEY FARM LAKE DAM | NC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01126-2966 | breached, deep scour holes on crest, downstream slope and toe of dam near principal spillway | Matthew | No | 0 | 0 | $1 million to $5 million | S | RE | RI | NR | 18 ft | 672 ac-ft | 0 acres | 0 | NC01126 | JUMPING RUN CREEK | 35.213 | -78.976 | 2010 | NCDENR | 1 day | NCDEQ | |||||||||||
SMITH LAKE DAM | NC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01142-2967 | breached with large scour holes on downstream slope and toe of dam | Matthew | No | 0 | 0 | $1 million to $5 million | P | RE | R | NR | 10 ft | 77 ac-ft | 0 acres | 0 | NC01142 | HARRISON CREEK-OS | 34.863 | -78.73 | 0 | 1 day | NCDEQ | ||||||||||||
ARRAN LAKES DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01144-2968 | breached - roadway collapsed | Matthew | No | 0 | 0 | $1 million to $5 million | L | RE | R | N | 21 ft | 144 ac-ft | 0 acres | 0 | NC01144 | LITTLE BEAVER CREEK | 35.029 | -78.981 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||
RHODES LAKE DAM | NC | S | Failure | 09/25/2016 | Hydrologic/flooding | Overtopping | NC01145-2969 | dam failure week prior to hurricane, breached in 5 places during hurricane | Matthew | No | 0 | 0 | $5 million to $10 million | S | RE | R | Y | 15 ft | 2304 ac-ft | 0 acres | 0 | NC01145 | BLACK RIVER | 35.2258 | -78.6528 | 2011 | 2 day | NCDEQ | ||||||||||||
SMITH LAKE DAM | NC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01148-2970 | breached | Matthew | No | 0 | 0 | $1 million to $5 million | P | RE | NR | 10 ft | 73 ac-ft | 0 acres | 0 | NC01148 | CAPE FEAR RIVER-TR | 35.224 | -78.815 | 0 | 1 day | NCDEQ | |||||||||||||
MIRROR LAKE DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC02151-2971 | dam overtopped and partially breached. Mirror Lake Drive severely damaged, downstream face of dam completely damamaged | Matthew | No | 0 | 0 | $1 million to $5 million | L | RE | R | Y | 12 ft | 24 ac-ft | 0 acres | 0 | NC02151 | HYBART'S BRANCH | 35.0544 | -78.9222 | 2002 | NCDENR | 1 day | NCDEQ | |||||||||||
MT.VERNON ESTATES | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC02160-2973 | dam overtopped & partially breached, head cut scarp | Matthew | No | 0 | 0 | $1 million to $5 million | P | RE | R | N | 14 ft | 4056 ac-ft | 0 acres | 0 | NC02160 | KIRKS MILL CREEK | 34.853 | -78.876 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||
DEVONWOOD LOWER DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC04797-2974 | dam overtopped and partially breached with roadway down to one lane | Matthew | No | 0 | 0 | $100,000 to $500,000 | P | RE | R | Y | 25 ft | 175 ac-ft | 0 acres | 0 | NC04797 | PERSIMMON CK-TR | 35.075 | -78.995 | 2002 | NCDENR | 1 day | NCDEQ | |||||||||||
RAYCONDA UPPER DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC05621-2975 | breached | Matthew | No | 0 | 0 | $1 million to $5 million | P | RE | RP | N | 19 ft | 20 ac-ft | 0 acres | 0 | NC05621 | LITTLE ROCKFISH CREEK TR | 35.0267 | -79.0222 | 2003 | NCDENR | 1 day | NCDEQ | |||||||||||
MAXWELL MILL POND | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01156-2977 | breached; discharge from spillway and possible overtopping caused severe damage to bridge abutments just downstream from dam | Matthew | No | $100,000 to $500,000 | P | RE | R | N | 14 ft | 130 ac-ft | 0 acres | 0 | NC01156 | MAXWELL CREEK | 35.07 | -77.7878 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||||
BENNETTS BRIDGE RD. DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC05977-2978 | small dam breach on left side in a controlled fashion, did not cause damage to road | Matthew | No | $500,000 to $1 million | X | RE | F | N | 5 ft | 0 ac-ft | 0 acres | 0 | NC05977 | 35.0773 | -77.9099 | 0 | NCDENR | 1 day | NCDEQ | ||||||||||||||
GUY LAKE DAM | NC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01098-2979 | dam breached but did not overtop the road/bridge | Matthew | No | $100,000 to $500,000 | P | RE | R | NR | 14 ft | 72 ac-ft | 0 acres | 0 | NC01098 | BLACK RIVER | 35.488 | -78.71 | 0 | 1 day | NCDEQ | ||||||||||||||
INTREPID POTASH WEST PLANT DAM | NM | L | Failure | 10/17/2015 | Seepage/internal Erosion | Piping | Cracking | Settlement | NM00436-3036 | Piping is believed to be initiated by cracking across the reservoir floor and dam embankment caused by land subsidence due to mining activities underneath the dam and reservoir footprint. Piping tunnel was 1-2 feet diameter (not measured). | No | 0 | 0 | 0 | 0 | None | 1.5 ac-ft | Brine release from the downstream toe of the dam was noticed by a worker around 7:15AM who notified his superior. Equipments and workers were mobilized in an attempt to stop the leak, but were unable to stop it and leak continued until the entire content escaped (reservoir was empty by 4:00PM the same day). An intermediate dike containing the reservoir on the south side was breached to divert the reservoir content into different area. This helped in reducing the brine release quantity to the downstream area. Escaped quantity was estimated around 500,000 gallons. Piping tunnel was 1-2 feet diameter (not measured). | P | RE | T | NR | 68 ft | 2078 ac-ft | 128 acres | 1978 | NM00436 | PECOS RIVER-TR | 32.4836 | -103.927 | 0 | Office of the State Engineer | 7:15 AM | 1 day | Yes | Dam owner and NM Dam Safety Bureau | Y | |||
EAGLE NEST DAM | NM | H | Non-failure | 12/23/2016 | Seismic | Unknown | NM00351-3030 | A magnitude 4.0 seismic event occurred 27 km north of Cimarron, NM. The dam tender responded with inspection but did not activate the EAP. | No | 0 | 0 | 0 | 0 | None | None | S | VA | I | Y | 149 ft | 98000 ac-ft | 2768 acres | 1918 | NM00351 | CIMARRON RIVER | 36.5318 | -105.23 | 0 | Office of the State Engineer | 19:31 | 1 day | Yes | Dam owner and NM Dam Safety Bureau | Y | ||||||
CRAWFORD POND DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | SC01902-3123 | Heavy rainfall and flooding contributed to failure. Failure occurred at the mid point of the dam due to overtopping and erosion. No primary spillway was present for this dam, and no way to lower the water level. The owner observed and confirmed the overtopping. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | NR | 16 ft | 71 ac-ft | 8 acres | 1960 | SC01902 | HURRICANE BRANCH | 34.6639 | -80.2922 | 0 | SC DHEC | SC Dam Safety | ||||||||
MCMEEKIN POND DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Spillway Erosion/head Cutting | Overtopping | SC02073-3124 | Dam had evidence of overtopping along with a complete breach to the left of the primary spillway. Erosion occured on both sides of primary spillway. | Hurricane Florence | No | 0 | 0 | 0 | 0 | Roads | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | NR | 7 ft | 95 ac-ft | 19 acres | 1950 | SC02073 | WOLF CREEK | 34.7377 | -79.7993 | 0 | SC DHEC | SC Dam Safety | |||||||
MCCOLL POND DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | SC02311-3125 | Dam had evidence of overtopping along with a complete breach in the center. The owner had not been to the dam in a couple of years and did not know for certain the breach occured due to Hurricane Florence, but believes it did. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | NR | 14 ft | 72 ac-ft | 10 acres | 0 | SC02311 | TR-LITTLE PEE DEE RIVER | 34.4948 | -79.4096 | 0 | SC DHEC | SC Dam Safety | ||||||||
SPRINGWOOD LAKE DAM | SC | H | Non-failure | 03/01/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | Piping | Sinkhole | SC00090-3126 | A sinkhole opened in the road on the dam immediately above the 120-inch diameter outlet pipe. Investigation by the Department showed that piping was occurring from the upstream side of the dam into the embankment, and water/sediment was exiting through holes, cracks and joints in the 120-inch diameter outlet pipe. Over time, 2 additional sinkholes opened in the road above the outlet pipe. | N/A | No | 0 | 0 | 0 | 0 | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | P | RE | R | Y | 19 ft | 233 ac-ft | 32 acres | 1954 | SC00090 | LITTLE JACKSON CREEK | 34.0748 | -80.9526 | 0 | SC DHEC | SC Dam Safety | ||||||||
EDNA YON DAM | SC | H | Non-failure | 09/12/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | Accident Or Misoperation | Other | SC00364-3127 | Owners had filled in primary spillway due to leakage at some point historically so that auxiliary spillway is only avenue for flow. Then owners constructed a road across auxiliary spillway with undersized culvert pipes. Permits/approval from the State were not obtained for any of this work. During Hurricane Irma, the road bed washed out causing a sudden, uncontrolled release. | Hurricane Irma | No | 0 | 0 | 0 | 0 | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | P | RE | R | N | 17 ft | 316 ac-ft | 40 acres | 1962 | SC00364 | HOLLOW CREEK | 33.6301 | -81.2444 | 0 | SC DHEC | SC Dam Safety | ||||||||
DERRENBACHER POND DAM | SC | H | Non-failure | 06/01/2017 | Hydrologic/flooding | Spillway Erosion/head Cutting | SC00600-3128 | Following an isolated summer storm that dropped 6+" on the watershed in a short time, the auxiliary spillway suffered major erosion and headcutting. | N/A | No | 0 | 0 | 0 | 0 | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | Downstream road was temporarily closed until water level was lowered to a safe level. | P | RE | R | N | 12 ft | 109 ac-ft | 13 acres | 1965 | SC00600 | TR-SANDY RUN | 33.8146 | -80.9929 | 0 | SC DHEC | SC Dam Safety | |||||||||
LAKE DARPO DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Piping | Spillway Pipe Failure | SC00625-3129 | Heavy rainfall and flooding contributed to failure. Failure occurred at a 36" horizontal pipe (acting as auxiliary spillway) that had been placed through the dam, near the left abutment. The owners do not believe that the dam was overtopped, but that heavy flow led to erosion/piping around the horizontal pipe. Breach prevented access to a large portion of the dam and the primary spillway structure. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | L | RE | R | NR | 15 ft | 146 ac-ft | 20 acres | 1957 | SC00625 | BUCKHOLTZ CREEK | 34.4573 | -79.8804 | 0 | SC DHEC | SC Dam Safety | ||||||||
SPRING LAKE DAM | SC | L | Failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | SC00626-3130 | Heavy rainfall and flooding led to overtopping and failure of a low area near the documented auxiliary spillway (located at the left abutment). Both primary spillways appear to be intact. The breach prevented access to the remaining portion of the auxiliary spillway and left abutment. | Hurricane Florence | No | 0 | 0 | 0 | 0 | State Dam Safety Program performed a full inspection following the breach of this dam. The inspection report will contain a requirement that the Owner hire an engineer and submit either a permit application for repair or removal of the dam. | Report on dam failures associated with Hurricane Florence to be released by Geotechnical Extreme Event Reconnaisance (GEER) group at some point in the future. GEER team field work occurred during month of September 2018. | P | RE | R | NR | 16 ft | 145 ac-ft | 16 acres | 1958 | SC00626 | BUCKHOLTZ CREEK | 34.4582 | -79.8616 | 0 | SC DHEC | SC Dam Safety | ||||||||
MOON LAKE DAM | SC | H | Non-failure | 06/01/2018 | Deterioration Or Poor Condition | Spillway Erosion/head Cutting | SC01800-3131 | A late spring storm apparently caused severe head cut erosion at the downstream end of the auxiliary spillway. Spillway erosion occurred sometime in the Spring of 2018 - exact date is unknown. County imagery shows the headcuting just starting around 3/8/2018 and Google Earth imagery shows highly progressed headcutting by 6/3/2018. The Department became aware of headcutting in late June 2018 when very little dam crest remained to prevent a breach. | N/A | No | 0 | 0 | 0 | 0 | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | P | RE | PR | Y | 22 ft | 74 ac-ft | 7 acres | 1969 | SC01800 | TR-SOUTH TYGER RIVER | 34.9828 | -82.2257 | 0 | SC DHEC | SC Dam Safety | ||||||||||
CHATHAM LAKE DAM | SC | S | Non-failure | 09/16/2018 | Hydrologic/flooding | Overtopping | Erosion | Spillway Erosion/head Cutting | SC01869-3132 | Heavy rainfall from Hurricane Florence caused dam to overtop. Primary spillway was clogged with debris prior to storm and low-level outlet was inoperable (valve stem missing). Downstream slope failure from erosion at toe exposed core of dam. Headcutting erosion at auxiliary spillway left an escarpment. | Hurricane Florence | No | 0 | 0 | 0 | 0 | Roads | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | Manor Road was temporarily closed until water level was lowered to a safe level. | P | RE | R | Y | 17 ft | 53 ac-ft | 7 acres | 1978 | SC01869 | TR-THOMPSON CREEK | 34.6732 | -79.9104 | 0 | SC DHEC | SC Dam Safety | ||||||
FIDDLERS COVE DAM | SC | H | Non-failure | 05/01/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | Piping | Sinkhole | SC02426-3133 | An unpermitted repair of a deterioriated primary spillway outlet pipe resulted in piping along the outside of the outlet pipe, and development of a sinkhole along the pipe from the outlet upwards for approximately 20 feet in length and 8 feet wide (near a band joint). The dam owners had conducted an unpermitted and unauthorized "lining" of the deteriorated corrugated metal pipe using substandard methods and materials. | N/A | No | 0 | 0 | 0 | 0 | The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair | Downstream roads were temporarily closed until water level was lowered to a safe level. | P | RE | R | Y | 34 ft | 715 ac-ft | 55 acres | 1988 | SC02426 | MUD CREEK | 34.8867 | -83.0442 | 0 | SC DHEC | SC Dam Safety | |||||||
SPRING LAKE DAM | TX | H | Non-failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX00124-3134 | SPILLWAY DAMAGE | Harvey | P | RE | R | Y | 23 ft | 255 ac-ft | 14 acres | 1952 | TX00124 | TR-CANEY CREEK | 30.4049 | -95.3824 | 0 | TCEQ | TX CEQ | ||||||||||||||||
SUNSET LAKE DAM | TX | S | Non-failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX02955-3135 | SPILLWAY DAMAGE | Harvey | P | RE | R | Y | 25 ft | 960 ac-ft | 45 acres | 1951 | TX02955 | MCDONALD CREEK | 30.6464 | -95.5798 | 2005 | TCEQ | TX CEQ | ||||||||||||||||
LAKE FOREST DAM | TX | L | Non-failure | 08/31/2017 | Hydrologic/flooding | Sinkhole | Settlement | TX02980-3136 | HOLES/SETTLEMENT OF DAM | Harvey | P | RE | R | NR | 23 ft | 83 ac-ft | 15 acres | 1969 | TX02980 | TR-HARMON CREEK | 30.8569 | -95.4225 | 0 | TCEQ | TX CEQ | |||||||||||||||
ELECTRO LAKE DAM | TX | S | Failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX03762-3137 | Harvey | 0 | P | RE | R | Y | 12 ft | 50 ac-ft | 9 acres | 1927 | TX03762 | MAGNUS BRANCH | 30.7266 | -94.448 | 0 | TCEQ | TX CEQ | ||||||||||||||||
LAKE IVANHOE DAM | TX | S | Non-failure | 08/29/2017 | Seepage/internal Erosion | Piping | TX04492-3138 | PIPING. DID NOT BREACH. DRAINED LAKE | Harvey | P | RE | R | Y | 19 ft | 218 ac-ft | 10 acres | 1958 | TX04492 | TR-MAGNUS BRANCH | 30.6855 | -94.3998 | 0 | TCEQ | TX CEQ | ||||||||||||||||
PRESTONWOOD LAKE DAM | TX | L | Non-failure | 10/29/2018 | Unknown | Unknown | TX04791-3139 | SPILLWAY FAILURE, SUBSEQUENTLY BREACHED TO AVOID A FAILURE | P | RE | R | NR | 18 ft | 52 ac-ft | 0 acres | 1977 | TX04791 | TR-VILLAGE CREEK | 32.7699 | -97.1434 | 0 | TCEQ | TX CEQ | |||||||||||||||||
MOUNTAIN VALLEY DAM NO 1 | TX | H | Non-failure | 02/22/2018 | Unknown | Unknown | TX04797-3140 | SPILLWAY FAILURE | P | RE | IR | Y | 18 ft | 150 ac-ft | 15 acres | 1960 | TX04797 | VILLAGE CREEK | 32.4897 | -97.3652 | 1980 | TCEQ | TX CEQ | |||||||||||||||||
HEARN DAM | TX | S | Failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX09407-3142 | Harvey | 0 | P | RE | R | Y | 17 ft | 68 ac-ft | 0 acres | 0 | TX09407 | MAGNUS BRANCH | 30.7407 | -94.4424 | 0 | TCEQ | TX CEQ | ||||||||||||||||
LAKE MARK DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Sinkhole | TX00037-3143 | HOLE IN DAM OVER PIPE | Harvey | P | RE | R | NR | 23 ft | 290 ac-ft | 10 acres | 1964 | TX00037 | TR-WEST FORK DOUBLE BRANCH | 30.6749 | -94.7424 | 0 | TCEQ | TX CEQ | ||||||||||||||||
CUMMINS CREEK WS SCS SITE 6 DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Spillway Deficiency | TX01883-3145 | SPILLWAY DAMAGE | Harvey | L | RE | C | NR | 26 ft | 1636 ac-ft | 23 acres | 1958 | TX01883 | FLAT CREEK | 30.1166 | -96.7433 | 0 | TCEQ | TX CEQ | ||||||||||||||||
CUMMINS CREEK WS SCS SITE 5 DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Spillway Deficiency | TX01889-3146 | SPILLWAY DAMAGE | Harvey | L | RE | C | Y | 24 ft | 3676 ac-ft | 54 acres | 1959 | TX01889 | TURKEY CREEK | 30.0989 | -96.7636 | 0 | TCEQ | TX CEQ | ||||||||||||||||
FOREST LAKE DAM | TX | S | Failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX03770-3147 | Harvey | 0 | P | RE | R | Y | 16 ft | 148 ac-ft | 10 acres | 1940 | TX03770 | TR-TURKEY CREEK | 30.7871 | -94.4087 | 1989 | TCEQ | TX CEQ | ||||||||||||||||
TULL MILLPOND DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC00948-2981 | dam overtopped at multiple locations and breached between spillways. | Matthew | No | $1 million to $5 million | P | RE | R | N | 8 ft | 518 ac-ft | 0 acres | 0 | NC00948 | SOUTHWEST CREEK | 35.155 | -77.734 | 9999 | NCDENR | 1 day | NCDEQ | |||||||||||||
LAUREL LAKE DAM | NC | S | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC01083-2982 | Dam breached and washed out Laurel Lakes Road completely | Matthew | No | $1 million to $5 million | P | RE | R | N | 12 ft | 50 ac-ft | 0 acres | 0 | NC01083 | RYE SWAMP | 35.011 | -78.489 | 0 | 1day | NCDEQ | ||||||||||||||
HOUSE-AUTRY DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC05468-2983 | breached, dam failure at principal spillway due to overtopping. EM spillway had significant scouring and caused road damage | Matthew | No | $1 million to $5 million | P | RE | R | Y | 9 ft | 307 ac-ft | 0 acres | 0 | NC05468 | SEVEN MILE SWAMP | 35.1869 | -78.3762 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||||
DURHAMS LAKE DAM | NC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC00943-2984 | breached, damaged Durham Lake Road | Matthew | No | $1 million to $5 million | P | RE | R | NR | 12 ft | 112 ac-ft | 0 acres | 0 | NC00943 | YELLOW MARSH BRANCH | 35.281 | -78.057 | 0 | 1 day | NCDEQ | ||||||||||||||
H.F. LEE POWER STATION COOLING LAKE DAM | NC | H | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC00944-2985 | breached, plus a large slide on different location | Matthew | Yes | $1 million to $5 million | U | RE | O | N | 17 ft | 5446 ac-ft | 0 acres | 0 | NC00944 | NEUSE RIV OFF STREAM | 35.381 | -78.085 | 0 | NCDENR | 1 day | NCDEQ | |||||||||||||
SILVER LAKE | NC | S | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | NC00896-2986 | breached | Matthew | No | Other | $500,000 to $1 million | Lake Wilson impacted | P | REPGCN | R | N | 13 ft | 538 ac-ft | 0 acres | 0 | NC00896 | TOISNOT SWAMP | 35.802 | -77.949 | 0 | 1 day | NCDEQ | ||||||||||||
SCNONAME 14015 | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Overtopping | SC00731-2987 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 9 ft | 144 ac-ft | 24 acres | 1955 | SC00731 | LAKEWOOD CREEK | 33.7333 | -80.0917 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
SCNONAME 16011 | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC00617-2988 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | Roads | P | RE | R | N | 15 ft | 209 ac-ft | 22 acres | 1961 | SC00617 | TR-STAR FORK BRANCH | 34.2533 | -79.835 | 0 | SCDHEC | 1 Day | No | SC DHEC | ||||||||
EXP STATION POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01931-2990 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | S | RE | I | N | 18 ft | 90 ac-ft | 11 acres | 1964 | SC01931 | TR-BLACK SWAMP CREEK | 34.295 | -79.73 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
PEE DEE ST PARK DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01963-2991 | Hurricane Matthew | Matthew | Yes | 0 | 0 | 0 | 0 | S | RE | R | N | 10 ft | 233 ac-ft | 53 acres | 1930 | SC01963 | TR-LITTLE PEE DEE RIVER | 34.3283 | -79.2617 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
FLOWERS POND DAM | SC | S | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01960-2992 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 11 ft | 75 ac-ft | 12 acres | 1957 | SC01960 | TR-BEAR SWAMP | 34.3572 | -79.2 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
HAMER POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01954-2993 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 12 ft | 63 ac-ft | 9 acres | 1972 | SC01954 | TR-SWEAT SWAMP | 34.5283 | -79.435 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
GADDYS MILLPOND DAM | SC | S | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01958-2994 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 8 ft | 518 ac-ft | 144 acres | 1830 | SC01958 | BEAR SWAMP | 34.3933 | -79.2383 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
SALES INTERNATIONAL DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01981-2995 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 25 ft | 228 ac-ft | 20 acres | 1965 | SC01981 | POLK SWAMP CREEK | 34.245 | -79.67 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
PEPSI COLA LAKE POND DAM | SC | S | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01986-2996 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 10 ft | 48 ac-ft | 7 acres | 1950 | SC01986 | LONG BRANCH | 34.1467 | -79.6067 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
UPPER SALT CREEK 18-9 | NE | L | Failure | 06/05/2015 | Seepage/internal Erosion | Spillway Pipe Failure | Piping | NE00528-3031 | Corrugated metal pipe conduit failed due to corrosion. Failure of the conduit led to internal erosion of the dam. | No | 0 | 0 | 0 | 0 | Roads | $100,000 to $500,000 | 40 ac-ft | $150,000 to rebuild dam/road | L | RE | O | NR | 23 ft | 91 ac-ft | 6 acres | 1960 | NE00528 | TR-S BR SALT CREEK | 40.5814 | -96.6754 | 0 | NE DNR | 8:00 AM | No | NeDNR | |||||
BOWLING POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01973-2997 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 16 ft | 70 ac-ft | 7 acres | 1900 | SC01973 | BINGHAM BRANCH | 34.0367 | -79.5383 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
FLOYD POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01970-2998 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 21 ft | 68 ac-ft | 6 acres | 1950 | SC01970 | TR-GREAT PEE DEE RIVER | 33.985 | -79.5183 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
BLACKWELL POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01982-2999 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 16 ft | 74 ac-ft | 9 acres | 1960 | SC01982 | TR-MEADOW POND BRANCH | 34.045 | -79.8183 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
GRAHAM MILL POND DAM | SC | S | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC02012-3000 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | Roads | P | RE | R | Y | 13 ft | 119 ac-ft | 17 acres | 1930 | SC02012 | TREDWELL SWAMP | 34.0183 | -79.1733 | 0 | SCDHEC | 1 Day | No | SC DHEC | ||||||||
COPELAND POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01506-3001 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 12 ft | 81 ac-ft | 11 acres | 1959 | SC01506 | LYNCHES RIVER OFFSTREAM | 34.1683 | -80.1583 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
FLOYD POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01501-3002 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | D | N | 15 ft | 400 ac-ft | 22 acres | 0 | SC01501 | TURKEY CREEK | 34.3083 | -80.2683 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
DAM NE06722 | NE | L | Failure | 05/07/2015 | Hydrologic/flooding | Overtopping | NE06722-3033 | Dam was overtopped and failed following 10-inch plus rain in less than 12 hours. Dam was an unapproved structure. It appears the dam was constructed without any engineering analysis. | No | 0 | 0 | 0 | 0 | Bridges | 175 ac-ft | Downstream bridge was washed out. Unable to determine if it was caused by dam breach or natural flooding due to heavy rain. Dam was discovered by our staff in 2014 in aerial photos and was inspected in May 2015. The dam had evidently breached a short time prior to the inspection. We have no plans for the dam. We do not think the dam had a principal spillway. | RE | P | NR | 25 ft | 411 ac-ft | 21 acres | 0 | NE06722 | 40.177 | -97.5594 | 0 | NE DNR | No | NeDNR | ||||||||||
STEHLIK DAM 4436 | NE | U | Failure | 01/01/2011 | Unknown | Unknown | NE04436-3034 | None | 2011 breach discovered during scheduled inspection in 2016. Cause unknown. Date Approximated | P | C | NR | 18 ft | 64 ac-ft | 2 acres | 1960 | NE04436 | 40.609 | -96.9949 | 0 | NE DNR | No | NeDNR | |||||||||||||||||
LEGETTE MILLPOND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01807-3003 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 9 ft | 460 ac-ft | 92 acres | 1840 | SC01807 | REEDY CREEK | 34.04 | -79.34 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
STROUD POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC02016-3004 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | N | 7 ft | 64 ac-ft | 14 acres | 1875 | SC02016 | TR-CEDAR CREEK | 34.1767 | -79.13 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
HAIRE POND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC02074-3005 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 9 ft | 90 ac-ft | 14 acres | 1949 | SC02074 | WOLF CREEK | 34.7583 | -79.79 | 0 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
COVINGTON MILLPOND DAM | SC | L | Failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC00645-3006 | Hurricane Matthew | Matthew | No | 0 | 0 | 0 | 0 | P | RE | I | N | 20 ft | 400 ac-ft | 32 acres | 1900 | SC00645 | COTTINGHAM CREEK | 34.6083 | -79.63 | 1999 | SCDHEC | 1 Day | No | SC DHEC | |||||||||
LAKE OAKDALE | SC | S | Non-failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC00234-3007 | Hurricane Matthew - Overtopping of auxilliary spillway with significant erosion. State action was used to stabilize erosion. | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 15 ft | 560 ac-ft | 80 acres | 1955 | SC00234 | MIDDLE SWAMP | 34.1717 | -79.8783 | 0 | SCDHEC | 3 Days | No | SC DHEC | |||||||||
BAXLEY 501 POND DAM | SC | S | Non-failure | 10/08/2016 | Hydrologic/flooding | Unknown | SC01805-3008 | Hurricane Matthew - Overtopping of auxilliary spillway with significant erosion. | Matthew | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 13 ft | 141 ac-ft | 22 acres | 1953 | SC01805 | LITTLE REEDY CREEK | 34.1117 | -79.335 | 0 | SCDHEC | 3 Days | No | SC DHEC | |||||||||
CROSBY POND DAM | MA | S | Failure | 05/29/2015 | Unknown | Unknown | MA01535-3009 | The uncontrolled release of the impoundment inundated a heavily traveled road. Nobody was injured, the busy road was closed all day creating significant traffic delay issues. | Roads | The uncontrolled release of the impoundment inundated a heavily traveled road. Nobody was injured, the busy road was closed all day creating significant traffic delay issues. | P | R | NR | 9 ft | 30 ac-ft | 0 acres | 1900 | MA01535 | MILL BROOK | 42.4503 | -71.3239 | 0 | Office of Dam Safety | |||||||||||||||||
BEAVER PARK | CO | H | Non-failure | 03/18/2016 | Seepage/internal Erosion | Sinkhole | CO00763-3014 | Sinkholes developed in the reservoir area on the far left abutment | Yes | probably connected to 1916 landslide seepage area. Seepage there jumped from 0.10' to 0.3' on a 6-inch parshal flume. EAP Level 1 activation, reservoir lowering to below any new sinkholes. | S | ER | RFIO | Y | 114 ft | 5800 ac-ft | 94 acres | 1912 | CO00763 | BEAVER CREEK | 37.5961 | -106.667 | 0 | DWR | CO DWR | |||||||||||||||
ADOBE CREEK | CO | H | Non-failure | 03/22/2016 | Seepage/internal Erosion | Spillway Pipe Failure | Sinkhole | CO00515-3015 | New active seepage along an outlet conduit, creating voids where none were before. | Yes | EAP level 1 activation, owner contracted with their engineer and a contractor to make emergency reverse filter repairs. | P | RE | IR | Y | 41 ft | 85000 ac-ft | 4105 acres | 1904 | CO00515 | ADOBE CREEK-OS | 38.235 | -103.281 | 0 | DWR | CO DWR | ||||||||||||||
BANNER LAKE #5 | CO | L | Failure | 04/29/2015 | Seepage/internal Erosion | Piping | Vegetation | CO01730-3016 | Piping failure without full dam breach. Likely root induced. | S | RE | FR | NR | 13 ft | 112 ac-ft | 16 acres | 1960 | CO01730 | JIM CREEK | 40.0784 | -104.564 | 2002 | DWR | CO DWR | ||||||||||||||||
TWO BUTTES | CO | H | Non-failure | 04/30/2015 | Seepage/internal Erosion | Piping | CO00759-3017 | Sand boils developed during construction near downstream toe of dam. | S | RE | RF | Y | 106 ft | 40654 ac-ft | 1182 acres | 1908 | CO00759 | TWO BUTTE CREEK | 37.6359 | -102.538 | 0 | DWR | CO DWR | |||||||||||||||||
LOWER BEAVER BROOK | CO | H | Non-failure | 05/05/2015 | Hydrologic/flooding | High Reservoir Level | CO00187-3018 | High hazard with very little freeboard, but within 7 inches of spill | Yes | EAP Level 1 activation. Mitigated with construction of an 18-inch tall sand bag parapet by correctional institution forces. | L | ER | S | Y | 46 ft | 34 ac-ft | 2 acres | 1903 | CO00187 | BEAVER BROOK | 39.706 | -105.411 | 1936 | DWR | CD DWR | |||||||||||||||
TELLER | CO | L | Non-failure | 05/12/2015 | Hydrologic/flooding | High Reservoir Level | CO00902-3019 | Restricted dam with reservoir nearing spillway level. Started Spilling 5/20. | Yes | EAP Level 1 activation. USACE modeling additional rainfall-runoff scenario's to establish criteria for EAP level escalation | F | RE | R | Y | 85 ft | 1782 ac-ft | 183 acres | 1908 | CO00902 | TURKEY CREEK | 38.4367 | -104.812 | 1988 | DWR | CO DWR | |||||||||||||||
STRONTIA SPRINGS | CO | H | Non-failure | 05/22/2015 | Unknown | High Reservoir Level | CO02219-3020 | unusual (seldom seen) spillway and outlet works discharges and threat to public | Yes | EAP Level 1 activation - Due to unusual (seldom seen) spillway and outlet works discharges and threat to public in Waterton Canyon (also reacitvated 6/11/15, re-terminated June 23, 2015) | U | CNVA | SHR | Y | 299 ft | 10600 ac-ft | 98 acres | 1982 | CO02219 | SOUTH PLATTE RIVER | 39.4327 | -105.126 | 0 | DWR | CO DWR | |||||||||||||||
SKEEL | CO | H | Non-failure | 05/27/2015 | Seepage/internal Erosion | Excessive/increased Seepage | CO01304-3021 | Uncontrolled inflow into reservoir - dam is restricted due to excessive seepage at high reservoir levels | Uncontrolled inflow into reservoir due to Highline canal piping hole, and unwillingness for owner to open outlet fully. Issue is the dam is restricted due to excessive seepage at high reservoir levels (5 feet below spill restriction). Seepage monitored continuously as reservir pumped overnight. | L | RE | RI | Y | 40 ft | 220 ac-ft | 15 acres | 1900 | CO01304 | SOUTH PLATTE RIVER-OS | 39.6567 | -104.944 | 1901 | DWR | CO DWR | ||||||||||||||||
ELEVEN MILE CANYON | CO | H | Non-failure | 06/16/2015 | Hydrologic/flooding | High Reservoir Level | CO00359-3022 | unusual (above normal) spillway and outlet works | Yes | EAP Level 1 activation - Due to unusual (above normal) spillway and outlet works discharges and threat to USFS infratructure (gravel road) in Eleven Mile Canyon | U | CNVA | S | Y | 151 ft | 128000 ac-ft | 3500 acres | 1932 | CO00359 | SOUTH PLATTE RIVER | 38.905 | -105.477 | 0 | DWR | CO DWR | |||||||||||||||
BLOOMFIELD DAM | NE | H | Failure | 05/19/2016 | Unknown | Spillway Erosion/head Cutting | NE09728-3035 | Headcut developed in vegetated earthen spillway. Headcut advanced until it reached the reservoir and breached the dam. | No | 0 | 6 | 2 | 0 | Railroads | 18 ac-ft | Damages limited to the dam itself. Railroad and State Highway closed during incident. | RE | 33 ft | 0 ac-ft | 0 acres | 1960 | NE09728 | TRIB. TO ELK CREEK | 42.4599 | -96.7315 | 0 | NDNR | 5:00 pm | 20 hours | No | NeDNR | |||||||||
CHEESMAN | CO | H | Non-failure | 06/17/2015 | Hydrologic/flooding | High Reservoir Level | CO00357-3023 | unusual (above normal) spillway and outlet works discharges | Yes | EAP Level 1 activation - Due to unusual (above normal) spillway and outlet works discharges and threat to USFS, State and County infratructure (roads, bridges, campgrounds) | U | MSVA | S | Y | 221 ft | 87227 ac-ft | 874 acres | 1905 | CO00357 | SOUTH PLATTE RIVER | 39.2083 | -105.274 | 0 | DWR | CO DWR | |||||||||||||||
MARSTON LAKE - SOUTH DAM | CO | H | Non-failure | 11/23/2015 | Seepage/internal Erosion | Excessive/increased Seepage | CO02798-3024 | Unusual piezometer readings and seepage at the top of the first filling | Unusual piezometer readings and seepage at the top of the first filling of this recently rehabilitated dam. | U | RE | S | Y | 33 ft | 21100 ac-ft | 652 acres | 1899 | CO02798 | SOUTH PLATTE RIVER-OS | 39.6237 | -105.062 | 0 | DWR | CO DWR | ||||||||||||||||
HALLENBECK #1 | CO | H | Non-failure | 06/10/2014 | Seepage/internal Erosion | Cracking | Other | CO00085-3025 | Dam exhibits unusual cracking and behavior of toe drains and piezometers. | Yes | Dam exhibits unusual cracking and behavior of toe drains and piezometers. EAP level 1 situational awareness issued by County EM, reservoir lowered for further evaluation. | L | RE | SR | Y | 43 ft | 1155 ac-ft | 62 acres | 1970 | CO00085 | KAHNAH CREEK-TR | 38.9693 | -108.294 | 0 | DWR | CO DWR | ||||||||||||||
IVANHOE | CO | L | Non-failure | 07/01/2014 | Seepage/internal Erosion | Settlement | Sinkhole | CO00682-3026 | Excessive settlement and cracking on the upstream face over the outlet piping | Yes | Report of Excessive settlement and cracking on the upstream face over the outlet piping. Level 1 EAP activation. Site visit revealed outlet works failure. Infor to reservoir can be shut off, and has been, and resevroir was ordered lowered, 0-storage restriction ordered. | U | RE | IS | Y | 17 ft | 1007 ac-ft | 82 acres | 1928 | CO00682 | IVANHOE CREEK | 39.2717 | -106.509 | 1971 | DWR | CO DWR | ||||||||||||||
DURANGO TERMINAL | CO | H | Non-failure | 12/02/2014 | Seepage/internal Erosion | Piping | CO01060-3027 | piping into unfiltered toe drains on downstream toe of dam | Initiation of piping into unfiltered toe drains on downstream toe of dam. Caught by routine monitoring and reported to the DSE. Investigated, storage restriction imposed and plans to make repairs begun. | L | RE | S | Y | 45 ft | 341 ac-ft | 19 acres | 1954 | CO01060 | GOEGLEIN GULCH-OS | 37.2907 | -107.847 | 0 | DWR | CO DWR | ||||||||||||||||
LAKE ANN | CO | H | Non-failure | 10/10/2014 | Seepage/internal Erosion | Sinkhole | CO00683-3028 | Sinkhole in dam foundation upstream of embankment | P | RE | IR | Y | 42 ft | 562 ac-ft | 20 acres | 1912 | CO00683 | WEST SOPRIS CREEK-OS | 39.3033 | -107.117 | 1953 | DWR | CO DWR | |||||||||||||||||
M R TROTTER DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC02473-3036 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 24 ft | 90 ac-ft | 9 acres | 1971 | SC02473 | 33.8983 | -80.7283 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SMITH MILLPOND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC02411-3037 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 26 ft | 62 ac-ft | 25 acres | 0 | SC02411 | 34.0667 | -79.3458 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
HAITHCOCK POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00052-3038 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 11 ft | 147 ac-ft | 26 acres | 1946 | SC00052 | 33.9583 | -80.755 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
DRAFTS POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00063-3039 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 720 ac-ft | 32 acres | 1967 | SC00063 | 33.825 | -80.7283 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 32094 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01354-3040 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 72 ac-ft | 10 acres | 1910 | SC01354 | 33.73 | -81.0367 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
BOYLE POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01431-3041 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 55 ac-ft | 160 acres | 1957 | SC01431 | 33.88 | -80.4383 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
MCCRAY LAKE DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01429-3042 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 71 ac-ft | 52 acres | 1908 | SC01429 | 33.885 | -80.4617 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
TOUCHBERRY LOWER POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01450-3043 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 9 ft | 73 ac-ft | 15 acres | 1958 | SC01450 | 33.6967 | -80.53 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
BLACK CREST FARM POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01442-3044 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | PR | N | 20 ft | 165 ac-ft | 10 acres | 1970 | SC01442 | 33.8417 | -80.3283 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
DOGWOOD LAKE DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01447-3045 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 14 ft | 67 ac-ft | 16 acres | 1850 | SC01447 | 33.8017 | -80.33 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 02110 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00378-3046 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 36 ft | 132 ac-ft | 18 acres | 1963 | SC00378 | 33.5883 | -81.345 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 28045 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00484-3047 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 20 ft | 112 ac-ft | 7 acres | 1955 | SC00484 | 34.1117 | -80.7517 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 09031 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00594-3048 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 18 ft | 106 ac-ft | 25 acres | 1938 | SC00594 | 33.5833 | -80.5967 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 09040 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00603-3049 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 15 ft | 109 ac-ft | 21 acres | 1930 | SC00603 | 33.56 | -80.7383 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
CUTTINO POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01928-3050 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 18 ft | 90 ac-ft | 10 acres | 1960 | SC01928 | 33.8167 | -80.1967 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 14005 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00722-3051 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 13 ft | 320 ac-ft | 34 acres | 1900 | SC00722 | 33.8483 | -80.005 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 14008 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00725-3052 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 16 ft | 92 ac-ft | 34 acres | 1875 | SC00725 | 33.6533 | -80.495 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
WARDS PASTURE POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC01918-3053 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 11 ft | 198 ac-ft | 12 acres | 1970 | SC01918 | 33.5667 | -80.2867 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
SCNONAME 38011 | SC | S | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00407-3054 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | Y | 13 ft | 108 ac-ft | 15 acres | 1920 | SC00407 | 33.525 | -80.935 | 0 | SCDHEC | SC DHEC | ||||||||||||||||||
BOYDS POND DAM | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00096-3055 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | IPR | N | 13 ft | 68 ac-ft | 75 acres | 1963 | SC00096 | TOMS CREEK | 33.9183 | -80.7567 | 0 | SCDHEC | SC DHEC | |||||||||||||||||
SCNONAME 14003 | SC | L | Failure | 10/04/2015 | Hydrologic/flooding | Overtopping | SC00720-3056 | Heavy rains-as much as 16 inches caused several dams to overtop and fail. | P | RE | R | N | 15 ft | 91 ac-ft | 26 acres | 1960 | SC00720 | TR-BIG BRANCH | 33.6533 | -80.4433 | 0 | SCDHEC | SC DHEC | |||||||||||||||||
WEAVER LAKE DAM | OH | L | Failure | 04/01/2015 | Hydrologic/flooding | Unknown | OH03192-3057 | Dam Failure | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | 40 ac-ft | After the dam failed, the owner rebuilt the dam in violation and the state took him to court. Eventually the owner modified the dam to be exempt. | P | RE | O | N | 12 ft | 191 ac-ft | 4 acres | 2013 | OH03192 | STILL FORK, FRIDAY CREEK | 40.6358 | -81.0247 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH DNR | ||||||
STONY LAKE DAM | OH | S | Non-failure | 04/01/2015 | Hydrologic/flooding | High Reservoir Level | OH00458-3058 | Near overtopping, damage to conrete in emergency spillway. | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 18 ft | 183 ac-ft | 19 acres | 1928 | OH00458 | MCGUIRE CREEK | 40.4656 | -81.1153 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1day | Yes | OH DNR | ||||||||||
EAST LIBERTY LAKE DAM | OH | L | Non-failure | 04/01/2015 | Seepage/internal Erosion | Piping | OH00590-3059 | Sinkhole on the downstream slope due to failure of the spillway. Dam eventually breached. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 29 ft | 114 ac-ft | 10 acres | 1930 | OH00590 | TRIBUTARY TO MILL CREEK | 40.3664 | -83.6033 | 0 | DEPARTMENT OF NATURAL RESOURCES | 2 weeks | Yes | OH DNR | ||||||||||
MUSKINGUM RIVER LOCK AND DAM NO. 7 | OH | S | Non-failure | 04/01/2015 | Deterioration Or Poor Condition | Erosion | OH00697-3060 | Severe erosion in the right abutment. Right abutment and downstream of dam were reinforced with drumped rock. Part of which were later grouted. | No | 0 | 0 | 0 | 0 | S | OT | O | Y | 15 ft | 2999 ac-ft | 442 acres | 1841 | OH00697 | MUSKINGUM RIVER | 39.6439 | -81.8503 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | ||||||||||
LAKE LUCERNE DAM | OH | H | Non-failure | 07/01/2015 | Hydrologic/flooding | High Reservoir Level | OH00358-3061 | Near overtopping. Flow through the emergency spillway. | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 30 ft | 160 ac-ft | 15 acres | 1922 | OH00358 | MCFARLAND CREEK | 41.3989 | -81.3458 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | No | OH DNR | ||||||||||
RIO GRANDE RESERVOIR | OH | H | Non-failure | 07/01/2015 | Seepage/internal Erosion | Spillway Chute Failure | OH00285-3062 | Hole in the chute spillway. | No | 0 | 0 | 0 | 0 | L | RE | O | N | 30 ft | 135 ac-ft | 7 acres | 1959 | OH00285 | TRIBUTARY TO INDIAN CREEK | 38.8839 | -82.3892 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | Yes | OH DNR | ||||||||||
COOPER VALLEY LLC DAM | OH | S | Non-failure | 07/01/2015 | Deterioration Or Poor Condition | Overtopping | OH00863-3063 | Plugged spillway which cause minor overtopping. Spillway replaced. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 42 ft | 48 ac-ft | 2 acres | 1963 | OH00863 | TRIBUTARY TO MCINTYRE CREEK | 40.3158 | -80.7733 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 week | No | OH DNR | ||||||||||
INTERNATIONAL ANIMAL PRESERVE POND DAM #56 | OH | L | Non-failure | 08/07/2015 | Deterioration Or Poor Condition | Spillway Erosion/head Cutting | OH02199-3064 | Severe erosion in channel spillway. Dam eventually breached. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 38 ft | 46 ac-ft | 3 acres | 0 | OH02199 | TRIBUTARY TO MILLER CREEK | 39.8589 | -81.7375 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | |||||||||||
WAGON WHEEL LAKE DAM | OH | S | Non-failure | 07/01/2015 | Hydrologic/flooding | Overtopping | OH01268-3065 | Overtopping cause some erosion on the downstream slope. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 14 ft | 118 ac-ft | 16 acres | 0 | OH01268 | CLOVERLICK CREEK | 38.9328 | -84.0086 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH DNR | ||||||||||
HORSE RUN NO. 1 DAM MB-42 | OH | S | Non-failure | 10/01/2015 | Structural Stability | Slope Stability | OH00816-3066 | Slope instability | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 59 ft | 2012 ac-ft | 27 acres | 1952 | OH00816 | HORSE RUN | 39.7339 | -81.7328 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | |||||||||||
COOPER POND DAM | OH | L | Non-failure | 10/01/2015 | Malfunction Of Equipment/gate | Gate/valve Failure | OH00227-3067 | Broken lake drain valve | No | 0 | 0 | 0 | 0 | P | RE | O | N | 23 ft | 84 ac-ft | 9 acres | 1971 | OH00227 | TRIBUTARY TO HUGLE RUN | 40.7333 | -81.1444 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | |||||||||||
LAKE MONTEREY DAM | OH | H | Non-failure | 12/27/2015 | Hydrologic/flooding | Erosion | OH01366-3068 | Dam was in the process of being breached. Severe erosion in partical breach channel. | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 25 ft | 58 ac-ft | 5 acres | 0 | OH01366 | TRIBUTARY TO BRUSHY FORK | 39.1333 | -84.09 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | |||||||||||
ROCK ISLAND LAKE DAM | OH | L | Non-failure | 04/01/2016 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH01007-3069 | CMP spillway collapsed and large sinkhole on the downstream slope. | No | 0 | 0 | 0 | 0 | P | RE | O | N | 34 ft | 109 ac-ft | 8 acres | 1964 | OH01007 | TRIBUTARY TO MEANDER CREEK | 41.0717 | -80.7958 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | ||||||||||
TANGLEWOOD LAKE DAM | OH | S | Non-failure | 04/01/2016 | Seepage/internal Erosion | Piping | OH00173-3070 | Erosion pipe through left end of dam. Lowered pool by cutting channel in the left abutment. | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 31 ft | 52 ac-ft | 4 acres | 1945 | OH00173 | TRIBUTARY TO GREAT MIAMI RIVER | 39.3639 | -84.5808 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH DNR | ||||||||||
CLINE LAKE DAM | OH | H | Non-failure | 06/09/2016 | Deterioration Or Poor Condition | Spillway Pipe Failure | OH03060-3072 | Separated joint at the downstream end of the PS. | No | 0 | 0 | 0 | 0 | P | RE | O | Y | 47 ft | 191 ac-ft | 8 acres | 2003 | OH03060 | TRIBUTARY TO SENECA FORK WILLIS CREEK | 39.8861 | -81.3214 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH DNR | |||||||||||
MCBRIDE LAKE DAM | OH | S | Non-failure | 07/08/2016 | Seepage/internal Erosion | Cracking | OH02381-3073 | Wet area and crack on crest. | No | 0 | 0 | 0 | 0 | S | RE | O | Y | 21 ft | 24 ac-ft | 1 acres | 0 | OH02381 | MCBRIDE RUN | 38.6578 | -83.1778 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH DNR | |||||||||||
BARREN MILL DAM | MD | L | Failure | 07/14/2016 | Malfunction Of Equipment/gate | Gate/valve Failure | Overtopping | MD00121-3076 | Heavy rain overnight in watershed combined with inability to operate millrace gates resulted in overtopping failure. | No | P | RE | R | NR | 9 ft | 90 ac-ft | 14 acres | 0 | MD00121 | BARON CREEK | 38.4617 | -75.735 | 1979 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
RIAWALKIN POND | MD | L | Non-failure | 06/28/2016 | Deterioration Or Poor Condition | Spillway Pipe Failure | Piping | MD00213-3078 | Five to 9 inches of rain (approx. 200 yr storm) fell. Accelerated piping type erosion around deteriorated CMP spillway barrel. Downstream embankment and road on crest suffered sinkholes/erosion. | No | S | RE | R | NR | 12 ft | 91 ac-ft | 12 acres | 1950 | MD00213 | ROCKAWALKING CREEK | 38.3678 | -75.6749 | 1996 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
RIAWALKIN POND | MD | L | Non-failure | 09/29/2016 | Hydrologic/flooding | Overtopping | MD00213-3079 | Dam overtopped after six inch rainfall causing erosion of downstream embankment | No | S | RE | R | NR | 12 ft | 91 ac-ft | 12 acres | 1950 | MD00213 | ROCKAWALKING CREEK | 38.3678 | -75.6749 | 1996 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
CRANBERRY BRANCH DAM | MD | S | Non-failure | 09/14/2016 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | MD00090-3081 | Ductile iron water supply pipe in earth embankment broke, scouring large hole at downstream toe of dam. Valve upstream of pipe break operated to shut off flow of water. | Yes | L | RE | S | Y | 32 ft | 437 ac-ft | 24 acres | 1957 | MD00090 | OFFSTREAM-CRANBERRY BRANCH | 39.6 | -76.9633 | 1957 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
GUILFORD RESERVOIR | MD | H | Non-failure | 09/17/2015 | Manmade Action | Accident Or Misoperation | MD00106-3082 | Dam Safety personnel observed contractor excavating large hole in dam embankment near downstream toe. Unpermitted work was ordered stopped and hole backfilled. | No | L | RE | S | Y | 35 ft | 134 ac-ft | 7 acres | 1893 | MD00106 | OFFSTREAM-STONEY RUN | 39.345 | -76.6167 | 2006 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
GUILFORD RESERVOIR | MD | H | Non-failure | 07/21/2016 | Manmade Action | Accident Or Misoperation | MD00106-3083 | During preconstruction activities contractor excavated long trench at downstream toe of dam. Soil heave from bottom of excavation created unstable ground conditions and cracking in dam embankment. Reservoir ordered drained. | Yes | L | RE | S | Y | 35 ft | 134 ac-ft | 7 acres | 1893 | MD00106 | OFFSTREAM-STONEY RUN | 39.345 | -76.6167 | 2006 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
REDINGTON LAKE DAM | MD | L | Non-failure | 12/19/2016 | Deterioration Or Poor Condition | Animal Activity | Sinkhole | MD00112-3084 | Sinkhole developed at dam crest in line with historic seepage location at downstream toe. Internal erosion assumed to be occuring. Reservoir lowered. Further investigations reveal likely cause of sinkhole is collapsed animal burrow. | No | F | RE | F | NR | 13 ft | 348 ac-ft | 0 acres | 1940 | MD00112 | PATUXENT-TR | 39.0269 | -76.7967 | 1989 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
LAKE NEEDWOOD | MD | H | Non-failure | 06/27/2006 | Seepage/internal Erosion | High Reservoir Level | Excessive/increased Seepage | MD00046-3085 | Heavy rain pushed reservoir to record level. Heavy seepage on downstream slope near groin resulted in emergency drain/filter construction. | Yes | L | RE | RC | Y | 65 ft | 7023 ac-ft | 74 acres | 1965 | MD00046 | ROCK CREEK | 39.114 | -77.1295 | 2007 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
CHADSWOOD SWM POND, CROSS LAUREL DRIVE | MD | S | Non-failure | 05/01/2014 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | MD00497-3086 | CMP culverts failed (deterioration at invert) resulting in sinkholes and slumps on upstream slope. | No | P | RE | C | Y | 20 ft | 0 ac-ft | 0 acres | 1981 | MD00497 | GREAT SENECA CREEK-TR | 39.1896 | -77.2293 | 2015 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
GALESTOWN MILLPOND | MD | L | Failure | 06/25/2006 | Hydrologic/flooding | Overtopping | MD00124-3089 | Dam breached in two locations following 10-15 inches of rain in 12 hours. Partially attributed to debris blocking spilllway. | No | L | RE | RI | NR | 9 ft | 228 ac-ft | 44 acres | 1972 | MD00124 | GALES CREEK | 38.5676 | -75.7135 | 2008 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
LAKE JENKINS | MD | L | Non-failure | 11/19/2004 | Hydrologic/flooding | Overtopping | MD00153-3090 | Dam severely damaged due to overtopping flows displacing masonry units. | No | S | VAMS | R | NR | 35 ft | 43 ac-ft | 3 acres | 1936 | MD00153 | POTOMAC RIVER-TR | 39.6374 | -78.3048 | 1936 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
MILL CREEK DAM | MD | L | Failure | 06/25/2006 | Hydrologic/flooding | Unknown | MD00214-3092 | Breached during rain event | No | P | RE | RI | NR | 11 ft | 78 ac-ft | 11 acres | 1930 | MD00214 | MILL CREEK | 38.5947 | -75.8272 | 1999 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
ST CLAIR FARM POND | MD | S | Non-failure | 09/23/2003 | Hydrologic/flooding | Overtopping | MD00130-3093 | Partial failure. Dam overtopped by about 1ft during 4-5" rainfall on Sept 22-23, 2003. Owner observed 4ft dia sinkhole in crest & significant flow along CMP spillway pipe at top of dam. | No | P | RE | R | Y | 18 ft | 64 ac-ft | 8 acres | 1968 | MD00130 | CHURCH BRANCH, TR-BUSH CREEK | 39.3417 | -77.2245 | 1968 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
GRANDE VIEW FARMS COMMUNITY POND | MD | S | Non-failure | 03/29/2006 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | MD00172-3094 | Owners engineer advises that CMP spillway has failed.10ft sinkhole in d.s. slope over pipe, signif leakage along outside of pipe.Riser is deteriorated. | No | P | RE | R | Y | 22 ft | 76 ac-ft | 8 acres | 1969 | MD00172 | BROAD CREEK-TR | 39.6826 | -76.3531 | 2008 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||
BIG MILLPOND DAM | MD | L | Failure | 09/30/2016 | Hydrologic/flooding | Unknown | MD00080-3080 | Dam failed after heavy rainfall event. No details known about failure mechanism. | No | L | RE | RFP | NR | 9 ft | 72 ac-ft | 60 acres | 1900 | MD00080 | LITTLE MILL RUN | 38.0156 | -75.4561 | 0 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
LAKE MINNETOSKA DAM | MD | L | Non-failure | 03/01/2012 | Unknown | Spillway Chute Failure | MD00154-3091 | Concrete chute spillway on earth embankment undermined and partially failed during rain event. | No | P | RE | R | NR | 10 ft | 26 ac-ft | 0 acres | 1924 | MD00154 | HERRINGTON RUN | 39.4563 | -79.4648 | 0 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||
DEAL ISLAND WILDLIFE DAM | MD | Failure | 09/01/2003 | Hydrologic/flooding | Unknown | MD00215-3095 | 4500 linear feet of embankment partially breached during Hurricane Isabel | Isabel | No | RE | 4 ft | 1000 ac-ft | 0 acres | 0 | MD00215 | 38.1717 | -75.8933 | 0 | MD DAM SAFETY | MDE Dam Safety Program | ||||||||||||||||||||
SOCIAL SECURITY WOODLAWN DAM | MD | Non-failure | 09/08/2011 | Unknown | Spillway Chute Failure | MD00471-3087 | Concrete chute spillway on earth embankment undermined, resulting in spillway damage and loss of embankment material. | Yes | RE | 13 ft | 10 ac-ft | 0 acres | 0 | MD00471 | 39.3108 | -76.7248 | 0 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||||||||
MILL POND DAM | MD | Failure | 07/07/2017 | Hydrologic/flooding | Unknown | MD00572-3077 | 4.5 inches of rain in three hours caused failure of dam (unknown if overtopping or piping). Dam had previsouly failed and been repaired without proper engineering or permits. | No | RE | 10 ft | 25 ac-ft | 0 acres | 0 | MD00572 | 38.3193 | -76.5177 | 0 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||||||||
MARTIN FARM POND DAM | MD | Failure | 05/05/2016 | Deterioration Or Poor Condition | Spillway Pipe Failure | Accident Or Misoperation | MD00531-3088 | CMP riser plugged with debris triggered flow in emergency. CMP spillway barrel was partially collapsed and deteriorated, downstream embankment eroded away around spillway. Owner removed riser, creating a partial uncontrolled release. | No | Owner made excavation in embankment and removed riser, creating a partial uncontrolled release. | RE | 21 ft | 25 ac-ft | 0 acres | 0 | MD00531 | 39.5237 | -76.4438 | 0 | MD DAM SAFETY | MDE Dam Safety Program | |||||||||||||||||||
LAKE JEAN DAM | TX | S | Non-failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX09386-3150 | SEVERE SPILLWAY DAMAGE | Harvey | P | RE | R | NR | 22 ft | 45 ac-ft | 5 acres | 1971 | TX09386 | TR-MILLER CREEK | 30.0009 | -96.9606 | 0 | TX CEQ | |||||||||||||||||
ARMENDAIZ LEVEE | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Sliding | TX01818-3151 | SLIDES | Harvey | P | RE | I | NR | 7 ft | 1330 ac-ft | 0 acres | 1960 | TX01818 | OFF CH-NORTH FLOODWAY | 26.3531 | -97.4907 | 0 | TCEQ | TX CEQ | ||||||||||||||||
CLIFTY CREEK LAKE DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX01858-3152 | EMERGENCY SPILLWAY WASHED OUT | Harvey | P | RE | P | NR | 25 ft | 520 ac-ft | 37 acres | 1962 | TX01858 | CLIFTY CREEK | 30.4391 | -96.2221 | 0 | TCEQ | TX CEQ | ||||||||||||||||
CUMMINS CREEK WS SCS SITE 17 DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX01880-3153 | SPILLWAY DAMAGE | Harvey | L | RE | C | NR | 38 ft | 950 ac-ft | 16 acres | 1960 | TX01880 | TR-CUMMINS CREEK | 30.014 | -96.6866 | 0 | TCEQ | TX CEQ | ||||||||||||||||
CUMMINS CREEK WS SCS SITE 30 DAM | TX | L | Non-failure | 08/29/2017 | Hydrologic/flooding | Unknown | TX01904-3154 | ADDITIONAL SPILLWAY DAMAGE | Harvey | L | RE | C | NR | 42 ft | 3202 ac-ft | 33 acres | 1969 | TX01904 | POOL BRANCH | 29.9169 | -96.6341 | 0 | TCEQ | TX CEQ | ||||||||||||||||
BONASA BREAKS RANCH DAM | WA | S | Failure | 04/13/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | WA00000-3156 | An unpermitted dam impounding 36 acre-feet of water suddenly breached, releasing about 29 acre-feet of water. The resulting flood caused extensive damage to public infrastructure, private property, and critical stream habitat. No lives were lost. | No | 0 | 0 | 0 | 1 | Roads, Bridges | $10 million to $25 million | 29 ac-ft | Owner cost for penalties, dam stabilization and downstream repairs added up to about $3M. | P | RE | R | N | 19 ft | 36 ac-ft | 4 acres | 1960 | WA00000 | RATTLESNAKE CREEK - TR | 46.0947 | -117.189 | 0 | 1 hour | Yes | |||||||
BRIGHTON | MD | H | Non-failure | 09/28/2017 | Manmade Action | Accident Or Misoperation | MD00005-3157 | Excessive concrete removal from spillway slab during repairs resulted in potential instability | Yes | Structural Analysis interim stability, lower pool | Repairs took 6 months | L | CBER | HS | Y | 82 ft | 19560 ac-ft | 800 acres | 1943 | MD00005 | PATUXENT RIVER | 39.1934 | -77.0055 | 0 | MD DAM SAFETY | MD Dam Safety | ||||||||||||||
LITTLE DEER CREEK SITE 2A (MCKNIGHT/RUTLEDGE) | MD | S | Non-failure | 10/24/2017 | Hydrologic/flooding | Animal Activity | Debris Clogging | MD0003-3158 | Beavers plugged spillway structure | Yes | Blockage removed same day | P | RE | C | Y | 44 ft | 523 ac-ft | 5 acres | 1962 | MD00035 | LITTLE DEER CREEK-TR | 39.6404 | -76.5275 | 1962 | MD DAM SAFETY | MD Dam Safety | ||||||||||||||
WHEATON BRANCH STORM WATER MANAGEMENT | MD | H | Non-failure | 07/28/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | MD0012-3159 | Yes | Pool level subsided | L | RE | C | Y | 27 ft | 196 ac-ft | 3 acres | 1979 | MD00127 | SLIGO CREEK-TR | 39.0247 | -77.0383 | 1990 | MD DAM SAFETY | MD Dam Safety | ||||||||||||||||
COULBOURN MILL DAM (SOUTH DIVISION STREET) | MD | H | Non-failure | 08/12/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | MD0019-3160 | Heavy rain in short time | Yes | Pool level subsided | L | RE | RI | Y | 12 ft | 70 ac-ft | 13 acres | 1947 | MD00198 | TONYTANK CREEK | 38.3308 | -75.5982 | 2006 | MD DAM SAFETY | MD Dam Safety | |||||||||||||||
MORRIS MILL POND (SOUTH DIVISION STREET) | MD | H | Non-failure | 08/12/2017 | Hydrologic/flooding | Insufficient Spillway Capacity | Erosion | MD0019-3161 | Heavy rain, DS embankment erosion | Yes | Pool level subsided | L | RE | RI | Y | 11 ft | 191 ac-ft | 11 acres | 1947 | MD00199 | SLAB BRIDGE CREEK | 38.326 | -75.6024 | 2018 | MD DAM SAFETY | MD Dam Safety | ||||||||||||||
HEATER RESERVOIR #2 | OR | S | Failure | 11/23/2016 | Other | Spillway Pipe Failure | Sliding | OR00729-3162 | Deformation of a very thin steel conduit that was very poorly encased in concrete. caused the outlet and part of the pipe and the lower 2/3 of the downstream face to move about ten feet as a slide, partly rotational, partly translational. | No | 0 | 20 | 0 | 0 | Roads | $1 to $100,000 | The reservoir drained fairly slowly from the detached pipe up through the slide scarp, and it flooded a Christmas tree packing and shipping area below the dam, which was occupied with about 20 workers when the flooding started. No injuries, but loss of productivity and some pumping required, and flooding sufficient to close but not damage a County road. Probably cost of 10K in damage, but with 200 K or more if the dam was to repaired to full storage. Owner plans to reconstruct as a non-statutory dam | P | RE | I | NR | 28 ft | 42 ac-ft | 4 acres | 1981 | OR00729 | CENTER FORK DRIFT CREEK | 44.884 | -122.709 | 0 | OWRD | OR Dam Safety | ||||||||
BIG ELK LAKE | PA | S | Non-failure | 09/08/2011 | Hydrologic/flooding | High Reservoir Level | PA00056-3223 | EAP EVACUATIONS. OWNER PUT SANDBAGS, TWO LAYERS, ACROSS TOP OF DAM. WATER ROSE ABOVE FIRST LAYER. | TS Lee | Yes | 0 | 15 | 6 | 0 | None | A DETAILED BREACH ANALYSIS IN 2016 USING LIDAR SHOWED DOWNSTREAM HOMES ARE NOT IMPACTED BY A DAM FAILURE. | OVERTOPPING PREVENTED BY SANDBAGS. BY 4:30 PM, 9/8/11 WATER HAD RECEDED TO 6 INCH BELOW TOP OF DAM. | P | MSREST | RS | Y | 12 ft | 740 ac-ft | 79 acres | 1860 | PA00056 | ELK LAKE STREAM | 41.7528 | -75.9547 | 2006 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | |||||||
PURDY (STUMP POND) | PA | L | Failure | 06/26/2006 | Hydrologic/flooding | Spillway Chute Failure | PA00063-3203 | PARTIAL BREACHING OF THE STONE MASONRY SPILLWAY, LOWERING NORMAL POOL APPROXIMATELY 6 INCHES. | 0 | 0 | PA FISH & BOAT ASKED ABOUT REPAIRS BUT SENT IN NO PLANS FOR REQUIRED AUTHORIZATION. | 2008 DEP INSPECTION SHOWED NO REPAIRS. NO FILE DATA OR CORRESPONDENCE SINCE 2008. | S | MSRE | R | NR | 7 ft | 62 ac-ft | 12 acres | 1919 | PA00063 | SALT LICK CREEK | 41.8617 | -75.6667 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 3 DAYS | No | PA Dam Safety | |||||||||||
LAKE QUINN | PA | H | Non-failure | 11/23/2017 | Hydrologic/flooding | Overtopping | PA00145-3209 | CONSTRUCTION COFFERDAM OVERTOPPED AND FAILED. | Yes | 0 | 0 | 0 | 0 | Roads | Unknown | EARLY WARNING OF EAP ACTIVATED | 421 ac-ft | P | MSREST | R | Y | 12 ft | 1244 ac-ft | 118 acres | 1946 | PA00145 | TR MIDDLE CREEK | 41.5081 | -75.4261 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 11:00:00 PM | 2-3 DAYS | PA Dam Safety | ||||||
CLEAR LAKE | PA | S | Failure | 05/23/1928 | Hydrologic/flooding | Overtopping | PA00175-3184 | BREACHED 30 FT WIDE & 7 FT DEEP FROM OVERTOPPING LEFT ABUTMENT. | No | 1 | 0 | 0 | 0 | Roads | REPAIRED BREACH AND RAISED EARTHFILL ABUTMENTS | NEWSPAPER REPORTED 1 DEATH OF 15-YR-OLD BOY WHO WAS SWIMMING D/S; BODY NOT FOUND. | L | CNPG | R | Y | 11 ft | 782 ac-ft | 118 acres | 1855 | PA00175 | EAST BRANCH OIL CREEK | 41.8247 | -79.6856 | 2008 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | ||||||||
CLEAR LAKE | PA | S | Failure | 05/04/1892 | Unknown | Overtopping | PA00175-3185 | FAILED DAM ADDED TO TITUSVILLE FLOOD 7 MI DS. FLOOD CAUSED OIL SPILLS & FIRE DISASTER. | No | 0 | Unknown | Unknown | Other | $1 million to $5 million | RECONSTRUCTED IN 1905 AS CONCRETE GRAVITY DAM | "10 SIMILAR DAMS IN OIL CREEK HEADWATERS ALSO FAILED" NEARLY ALL OF TITUSVILLE WAS FLOODED & 1/3 OF IT DESTROYED BY FIRE. | L | CNPG | R | Y | 11 ft | 782 ac-ft | 118 acres | 1855 | PA00175 | EAST BRANCH OIL CREEK | 41.8247 | -79.6856 | 2008 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 11:30:00 PM | 3 DAYS | Yes | PA Dam Safety | ||||||
RYERSON STATION | PA | H | Non-failure | 06/28/2005 | Seepage/internal Erosion | Cracking | Excessive/increased Seepage | PA00193-3216 | NORMAL INSPECTION SHOWED CRACKING AND SEEPAGE POSSIBLY RELATED TO NEARBY UNDERGROUND MINING | Yes | 0 | 1 | Other | $25 million to $50 million | DAM WAS DRAWN DOWN 10 FEET AND EVENTUALLY BREACHED. | ONGOING MONITORING SHOWN CONTINUING MOVEMENT. REBUILDING PLAN WAS ABANDONED IN 2015. LOSS OF PUBLIC BOATING AND FISHING OPPORTUNITIES AT A STATE PARK. | S | CNPG | R | N | 42 ft | 3500 ac-ft | 62 acres | 1960 | PA00193 | NORTH FORK DUNKARD FORK | 39.89 | -80.4494 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||
WAGON HOUND | WY | L | Failure | 03/20/2019 | Hydrologic/flooding | High Reservoir Level | Reservoir Overfilling | Insufficient Spillway Capacity | WY00723-3351 | Rain on snowmelt event caused overtopping and eventually erosion of the dam embankment. | No | 0 | 0 | 0 | 1 | Roads | $1 to $100,000 | 144 ac-ft | County road closed but not damaged. | P | RE | I | NR | 30 ft | 331 ac-ft | 30 acres | 1946 | WY00723 | WAGON HOUND CREEK | 43.4542 | -106.746 | 0 | SEO | 1 day | No | WY Dam Safety | ||||
DULL | WY | L | Failure | 03/21/2019 | Deterioration Or Poor Condition | Erosion | WY00757-3352 | Rain on snowmelt event. The dam had already experience erosion around the outlet pipe five months prior to the failure. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | 376 ac-ft | County road flooded but not damaged. | P | RE | I | NR | 29 ft | 616 ac-ft | 48 acres | 1937 | WY00757 | SHEEP CREEK | 43.4133 | -104.507 | 0 | SEO | 5 months | No | WY Dam Safety | ||||||
SULLIVAN | PA | L | Failure | 09/08/2011 | Hydrologic/flooding | Overtopping | PA00358-3202 | DAM IN MILDRED VILLAGE FAILED DURING TROPICAL STORM LEE CAUSING A SWATH OF DAMAGE ALONG RTE 220. | TS Lee | No | 0 | 0 | 0 | 0 | Roads | Unknown | DAM REMOVAL WAS APPROVED IN 2012 AND STREAM RESTORED TO FREE-FLOWING CONDITION. | 100 ac-ft | P | RE | R | NR | 11 ft | 123 ac-ft | 3 acres | 1948 | PA00358 | BIRCH CREEK | 41.4767 | -76.3767 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | No | PA Dam Safety | |||||
BROOKVILLE WATERWORKS | PA | S | Failure | 07/17/2012 | Hydrologic/flooding | Overtopping | PA00422-3188 | HEAVY RAINS RESULTED IN 18" OVERTOPPING, WASHED AWAY EARTH DAM D/S OF CONCRETE CORE. | No | 0 | 0 | 0 | 0 | PA DEPT OF HEALTH WARNED D/S HOMES (BORO REFUSED). LATER DAM RAISED W/ WIDER SPILLWAY | L | RE | S | Y | 24 ft | 505 ac-ft | 18 acres | 1912 | PA00422 | NORTH FORK CREEK | 41.17 | -79.0731 | 2000 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 12:00:00 AM | 1 DAY | Yes | PA Dam Safety | ||||||||
NESBITT | PA | H | Non-failure | 02/23/2012 | Seepage/internal Erosion | Settlement | PA00449-3189 | A DEPRESSION, 10' ACROSS & 3' DEEP, FOUND ON UPSTREAM SLOPE DURING MAJOR REHAB PROJECT | No | 0 | 0 | FURTHER DRAWDOWN WAS INITIATED, SITE WAS MONITORED, AND DEPRESSION INVESTIGATED BY EXCAVATION. | LOCATION OF DEPRESSION WAS AT NORMAL POOL LEVEL BUT NOT WITHIN REHAB PROJECT AREA | U | MSREST | HS | Y | 101 ft | 5034 ac-ft | 116 acres | 1903 | PA00449 | SPRING BROOK | 41.3264 | -75.6536 | 2012 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
BULL RUN | PA | H | Non-failure | 12/28/2007 | Malfunction Of Equipment/gate | Debris Clogging | PA00463-3212 | THE TRASH RACK AND OUTLET PIPE WAS PARTIALLY CLOGGED AND DRY DAM WAS NOT DRAINING. | No | 0 | 0 | WATER LEVEL WAS 9 FT ABOVE OUTLET PIPE. CITY RENTED PUMP TO DRAW DOWN WATER & CLEAR TRASH RACK. | IN 2010, A PERMIT WAS ISSUED TO MODIFY THE OUTLET AND TRASH RACK. COMPLETED AS PER 2012 INSPECTION. | L | RE | C | Y | 44 ft | 383 ac-ft | 20 acres | 1934 | PA00463 | BULL RUN | 40.3478 | -79.6056 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
ROCKVIEW RESERVOIR | PA | H | Non-failure | 10/01/2007 | Seepage/internal Erosion | Excessive/increased Seepage | PA00472-3182 | THERE WAS AN INCREASE IN SEEPAGE FLOW AT THE RIGHT WALL OF THE STILLING BASIN. | No | 0 | 0 | RESERVOIR WAS DRAWN DOWN BY 15 FEET AND THE SEEP WAS TESTED TO DETERMINE ITS SOURCE. | NO FLOW INCREASE AT HIGHER POOL LEVELS & CHEMICAL TESTS SHOWED SEEPAGE NOT THRU DAM. | S | CNPG | S | Y | 53 ft | 50 ac-ft | 2 acres | 0 | PA00472 | MCBRIDES RUN | 40.8331 | -77.7556 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 10 MONTHS | Yes | PA Dam Safety | ||||||||||
TUBMILL | PA | H | Non-failure | 01/25/2018 | Seepage/internal Erosion | Excessive/increased Seepage | PA00488-3211 | LARGE SEEPS AND SEVERAL SMALLER SEEPS ON DOWNSTREAM FACE OF MASONRY DAM. | Yes | 0 | 0 | 0 | 0 | DRAWDOWN OF RESERVOIR, APPROX. 1 FOOT/DAY. REPAIR MEASURES IN PLANNING. | L | MSPG | S | Y | 40 ft | 696 ac-ft | 41 acres | 1907 | PA00488 | TUBMILL CREEK | 40.3306 | -79.0894 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
DUTCH FORK | PA | H | Non-failure | 09/17/2004 | Hydrologic/flooding | Spillway Chute Failure | PA00490-3208 | MORE THAN 6-INCHES RAIN FROM HURRICANE IVAN UNDERMINED CONCRETE SPILLWAY SLABS | Ivan | No | 0 | 0 | THE RESERVOIR WAS DRAINED. FUNDING AND RECONSTRUCTION THE DAM TOOK 8 YEARS | DEWATERING & FISH SALVAGE CONCLUDED ON NOV. 4, 2004, UTILIZING ELECTOFISHING EQUIPMENT. | S | RE | RS | Y | 42 ft | 1850 ac-ft | 91 acres | 1959 | PA00490 | DUTCH FORK BUFFALO CREEK | 40.1458 | -80.4675 | 2012 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 8 YEARS | Yes | PA Dam Safety | |||||||||
UPPER KITTANNING | PA | H | Non-failure | 05/20/1894 | Hydrologic/flooding | Overtopping | Erosion | PA00530-3178 | OVERTOPPING ERODED DOWNSTREAM SLOPE. GULLEYS FORMED UP TO 10-FT DEEP. | No | 0 | 0 | DAM WAS REPAIRED AFTER THE FLOOD AND REMAINED IN SERVICE. | 0 ac-ft | WATER IMPOUNDED UPSTREAM BY SAW MILL RUBBISH MAY HAVE SUDDENLY RELEASED. | L | RE | S | Y | 45 ft | 212 ac-ft | 12 acres | 1887 | PA00530 | BURGOON RUN | 40.4969 | -78.4789 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | Yes | PA Dam Safety | ||||||||
PENN FOREST | PA | H | Non-failure | 05/13/1905 | Seepage/internal Erosion | Sinkhole | PA00608-3180 | AT INITIAL FILLING, A LARGE 15' DIA. 15' DEEP SINKHOLE DEVELOPED W/POOL 4.5' BELOW SPILLWAY CREST | No | 0 | 0 | 0 | 0 | SINKHOE REPAIRED W /ROCK & EARTH FILL & CONCRETE. GROUTING FAILED. MONITORING W/ PIEZOMETERS. | 0 ac-ft | CONTROLLED REFILLING IN 1964 AFTER 275 PIEZOMETERS AND WEIR WERE INSTALLED | L | RCRE | S | Y | 151 ft | 27600 ac-ft | 462 acres | 1998 | PA00608 | WILD CREEK | 40.9306 | -75.5625 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 4 YEARS | PA Dam Safety | ||||||||
PENN FOREST | PA | H | Non-failure | 07/01/1994 | Seepage/internal Erosion | Excessive/increased Seepage | PA00608-3181 | PIEZOMETER READINGS SUDDENLY DECLINED INDICATING INCREASED SEEPAGE | Yes | 0 | 0 | 0 | 0 | None | 24-HR SURVEILLANCE & 2/FT PER DAY DRAWDOWN. REPLACED WITH RCC DAM, COMPLETED IN 1998. | L | RCRE | S | Y | 151 ft | 27600 ac-ft | 462 acres | 1998 | PA00608 | WILD CREEK | 40.9306 | -75.5625 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||
RINGTOWN NO 5 | PA | H | Non-failure | 03/28/2013 | Seepage/internal Erosion | Excessive/increased Seepage | Erosion | PA00659-3197 | UNCONTROLLED SEEPAGE & EROSION OBSERVED AT TOE OF DAM. | No | 0 | 0 | OWNER DIRECTED TO BEGIN DRAWDOWN, STOCKPILE SAND & STONE DRAIN MATERIAL, & PROVIDE 24-HR SURVEILLANCE. | DYE STUDY VERIFIED 15-FT DRAWDOWN NEEDED UNTIL REPAIRED. REPAIR SCHEDULE NOT YET PROVIDED. | L | RE | S | Y | 61 ft | 1200 ac-ft | 38 acres | 1914 | PA00659 | DRESHER RUN | 40.8428 | -76.2475 | 2011 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
LOFTY RESERVOIR | PA | S | Non-failure | 06/10/1916 | Structural Stability | Slope Stability | Sliding | PA00681-3196 | SLOPE FAILURE CRACKS OBSERVED FOLLOWING DRAWDOWN IN PREPARATION FOR REHABILITATION PROJECT | No | 0 | 0 | 0 | 0 | $1 million to $5 million | EXTENSIVE SOIL TESTING AND REDESIGN OF THE REHABILITATION PROJECT. | CONSTRUCTION PROJECT IS NEAR COMPLETION AS OF JANUARY 2018. | L | RE | S | Y | 30 ft | 431 ac-ft | 31 acres | 1897 | PA00681 | MESSERS RUN | 40.8722 | -76.045 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 YEAR | PA Dam Safety | |||||||
MOUNT LAUREL (MUD RUN) | PA | H | Non-failure | 07/11/2012 | Structural Stability | Cracking | PA00690-3198 | DURING REHAB, A 100' CRACK DEVELOPED ON THE CREST EXTENDING FROM SPILLWAY TO CENTER OF DAM. | Yes | 0 | 0 | CONTRACTOR COMPLETED INSTALLING SHEET PILING TO ISOLATE CRACK. PLAN TO MONITOR BY CONSULTANT. | 0 ac-ft | CONTRACTOR WAS WORKING IN THIS AREA INSTALLING SHEET PILING. EAP EARLY WARNING | L | MSRE | S | Y | 39 ft | 852 ac-ft | 48 acres | 1879 | PA00690 | MUD RUN | 40.7703 | -76.2311 | 2013 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 5:00:00 PM | PA Dam Safety | ||||||||||
KAUFFMAN RESERVOIR | PA | H | Non-failure | 01/01/1892 | Seepage/internal Erosion | Piping | PA00691-3199 | INCREASING LEAKAGE ABOUT HALFWAY UP THE SLOPE. VALVE OPENED AND SEEPAGE STOPPED. | No | 0 | 0 | 0 | 0 | IN 1896 DAM WAS REBUILT JUST D/S OF OLD DAM WITH CONCRETE CORE WALL & FLATTER SLOPES. | NO CONCRETE CORE WALL. TWO 12-INCH PIPES THROUGH THE DAM HAD NO COLLARS OR CUTOFFS. | L | RE | S | Y | 68 ft | 413 ac-ft | 19 acres | 1896 | PA00691 | KAUFFMAN RUN | 40.7653 | -76.2192 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 2 DAYS | PA Dam Safety | |||||||||
FAWN LAKE | PA | H | Non-failure | 03/02/2009 | Unknown | Spillway Chute Failure | PA00693-3200 | FAILURE OF THE SPILLWAY TRAINING WALL. | No | 0 | 0 | FULL DRAWDOWN ORDERED UNTIL REPAIRS COMPLETED. SPILLWAY RECONSTRUCTION COMPLETED IN 2012. | SPILLWAY WALL HAD SHOWN SIGNS OF MOVEMENT AT PREVIOUS INSPECTION & REPAIR PLAN REQUESTED | P | RE | R | Y | 44 ft | 675 ac-ft | 27 acres | 1972 | PA00693 | PLUM CREEK | 40.5867 | -76.19 | 2012 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
MILL | PA | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | PA00711-3215 | EAP EVACUATIONS DUE TO OVERTOPPING INUNDATION. AT THE TIME IT WAS UNCERTAIN WHETHER DAM HAD FAILED. | TS Lee | Yes | 0 | REMOVAL OF THE DAM IS SCHEDULED IN 2018 | DAM HAS BEEN DRAWN DOWN SINCE 1986 | S | MS | OR | Y | 25 ft | 24 ac-ft | 1 acres | 1937 | PA00711 | HOSPITAL CREEK | 40.3286 | -76.1114 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
QUEMAHONING | PA | H | Non-failure | 02/16/2018 | Hydrologic/flooding | Other | PA00740-3201 | 2 FEET FLOW IN AUXILIARY SPILLWAY TRIGGERED 24 HOUR SURVEILLANCE & VOLUNTARY EVACUATIONS | Yes | 0 | 0 | NONE | None | DRAWDOWN GATES OPENED & FOUR SWIFT WATER RESCUE TEAMS SENT TO BENSON BOR0 FOR BACKUP. | EMERGENCY RESPONSE PERSONNEL MAY HAVE OVER-REACTED TO "EMERGENCY" SPILLWAY FLOW. | L | RE | S | Y | 100 ft | 57400 ac-ft | 845 acres | 1912 | PA00740 | QUEMAHONING CREEK | 40.1822 | -78.9431 | 2005 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 12:28:00 PM | PA Dam Safety | |||||||||
LAKE SHERIDAN | PA | H | Non-failure | 07/31/2009 | Hydrologic/flooding | Overtopping | PA00744-3213 | AS PER THE EAP, OWNER CONTACTED DAM SAFETY INDICATING IMMINENT OVERTOPPING. | Yes | 0 | 0 | STONE MASONRY DAM ON LARGE WATERSHED WAS CONSTRUCTED TO OVERTOP. NO EVACUATIONS. | COINCIDENTLY A PROJECT WAS APPROVED TO STRENGTHEN DAM FOR OVERTOPPING. PROJECT COMPLETED IN 2010. | P | MSST | R | Y | 10 ft | 834 ac-ft | 63 acres | 1872 | PA00744 | TR TUNKHANNOCK CREEK | 41.5953 | -75.7664 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
LOWER KLONDIKE | PA | H | Non-failure | 07/16/2010 | Seepage/internal Erosion | Excessive/increased Seepage | PA00751-3176 | OBSERVATION OF NEW, STEADY SEEPAGE AT DOWNSTREAM END OF SPILLWAY & LOW-LEVEL DRAIN PIPE. | No | 0 | 0 | OWNER DIRECTED TO LOWER LAKE AT 1 FT PER DAY & TO MONITOR SEEPAGE | PLAN TO COLLECT & MONITOR SEEPAGE REC'D 11/12/10. NO CURRENT DRAWDOWN. OUTLET SYSTEM REPAIR NEEDED. | P | RE | R | Y | 19 ft | 254 ac-ft | 22 acres | 1960 | PA00751 | LEHIGH RIVER | 41.2533 | -75.4508 | 2007 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
LOWER KLONDIKE | PA | H | Non-failure | 10/22/2012 | Seepage/internal Erosion | Excessive/increased Seepage | PA00751-3210 | DURING INSPECTION, ENGINEER OBSERVED WATER FLOWING INTO VOID ON UPSTREAM FACE OF EMBANKMENT. | No | 0 | 0 | OWNER ADVISED TO INITIATE DRAWDOWN. PROPOSED GROUT REPAIR PLAN DENIED. DAM REMAINS DRAINED. | FLOW THROUGH DAM IN EXCESS OF 15 GPM. DOWNSTREAM TOE WAS SATURATED. | P | RE | R | Y | 19 ft | 254 ac-ft | 22 acres | 1960 | PA00751 | LEHIGH RIVER | 41.2533 | -75.4508 | 2007 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
PECKS POND | PA | H | Non-failure | 05/30/2007 | Seepage/internal Erosion | Sinkhole | PA00754-3194 | A SINKHOLE ON THE CREST, 1' LONG X 6' WIDE X 8' DEEP, FOUND DURING DEP ANNUAL INSPECTION | No | 0 | 0 | 0 | 0 | NONE | FOLLOW-UP INSPECTION FOUND NO SEEPAGE, SINKHOLE WAS FILLED & MONITORED. NO FURTHER PROBLEM. | SINKHOLE MAY HAVE DEVELOPED IN CONNECTION WITH RIPRAP INSTALLATIION PROJECT IN FALL OF 2000. | S | CNMSRE | R | Y | 7 ft | 2067 ac-ft | 420 acres | 1906 | PA00754 | BUSHKILL CREEK | 41.2808 | -75.0869 | 2001 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | Yes | PA Dam Safety | ||||||||
ARROWHEAD LAKE | PA | H | Failure | 04/26/1994 | Seepage/internal Erosion | Piping | PA00780-3220 | A "BLOWOUT" UNDER THE CENTER OF OGEE WEIR WITH RELEASE OF A LARGE VOLUME OF WATER | No | 0 | 0 | 0 | 0 | $100,000 to $500,000 | COFFERDAM CONSTRUCTED; A 20' BOTTOM WIDTH BREACH CHANNEL EXCAVATED TO DRAIN BY MAY 11 | HOLE UNDER WEIR MEASURED 20' WIDE & 4' DEEP. REHAB PROJECT COMPLETE ON 7/27/2004. | P | RE | R | Y | 18 ft | 2344 ac-ft | 218 acres | 1954 | PA00780 | TROUT CREEK | 41.1536 | -75.5775 | 2002 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||
MINSI LAKE | PA | H | Non-failure | 04/01/2013 | Deterioration Or Poor Condition | Spillway Chute Failure | PA00788-3193 | A LARGE SPALL CAME OFF THE SPILLWAY FLOOR SLAB. | No | 0 | 0 | LAKE DRAWN DOWN BY 2.5 FT & IN AUGUST CONCRETE REPLACED IN SPALLS. TOTAL REHAB. IS PLANNED. | PERMIT FOR SPILLWAY REPLACEMENT & DAM REPAIRS ISSUED IN OCT. 2017. CONSTRUCTION PENDING IN 2018. | S | RE | R | Y | 26 ft | 1793 ac-ft | 117 acres | 1970 | PA00788 | EAST BRANCH MARTINS CREEK | 40.9117 | -75.1697 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||||
LEAVITT BRANCH (PA-463) | PA | H | Non-failure | 04/18/1984 | Seepage/internal Erosion | Sinkhole | PA00814-3221 | 12' DIA. 3' DEEP SINKHOLE OBSERVED IN DRY DAM FOLLOWING HIGH WATER EVENT | No | 0 | 0 | 0 | A BACKHOE INVESTIGATION FOUND MORE VOIDS. DAM WAS BREACHED AND THE EMBANKMENT RECONSTRUCTED. | 0 ac-ft | PIPING WAS ATTRIBUTED TO NON-PLASTIC FILL, GEOLOGY AT THE ABUTMENTS, AND INADEQUATE FILTER DRAINS. | L | RE | C | Y | 90 ft | 1544 ac-ft | 0 acres | 1976 | PA00814 | LEAVITT BRANCH BRODHEAD CREEK | 41.2081 | -75.2475 | 2008 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | ||||||||||
LOCH ALSH RESERVOIR | PA | H | Non-failure | 09/08/2011 | Hydrologic/flooding | Overtopping | PA00935-3191 | TROPICAL STORM LEE CAUSED OVERTOPPING OF DAM WITH 5 INCHES RAINFALL IN 3 HOURS | TS Lee | Yes | 0 | 0 | L | MSREST | R | Y | 16 ft | 41 ac-ft | 6 acres | 1915 | PA00935 | TR WISSAHICKON CREEK | 40.1558 | -75.2047 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 1 DAY | PA Dam Safety | ||||||||||||
LAKE MAY (SECTION F) | PA | H | Non-failure | 11/12/2009 | Seepage/internal Erosion | Erosion | Spillway Chute Failure | PA01135-3177 | BORO FOUND SEEPAGE ALONG THE EMERGENCY SPILLWAY. LARGE VOIDS FOUND BENEATH CONCRETE. | No | 0 | 0 | LAKE WAS DRAWN DOWN. REPAIRS CONSISTED OF DRILLING HOLES IN THE SPILLWAY & FILLING VOIDS WITH GROUT. | THIS IS AN OFF-STREAM LAKE. INLET WAS CLOSED TO DIRECT WATER AROUND THE LAKE. | L | RE | R | Y | 22 ft | 271 ac-ft | 24 acres | 1967 | PA01135 | TOMS CREEK | 39.7414 | -77.3719 | 2010 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
NO 1 | PA | L | Failure | 08/20/1955 | Hydrologic/flooding | Unknown | PA01569-3218 | BREACH OF NEWER DAM DURING HURRICANE DIANE | Diane | No | 0 | 0 | 0 | 0 | NO FUNDING WAS OBTAINED TO REBUILD THE DAM AS OF 1977. RESIDENTS COMPLAINED TO THE STATE. | THERE IS NOW A DUMPED ROCK DAM FURTHER UPSTREAM, MAINTAINING THE IMPOUNDMENT. | P | RE | O | NR | 8 ft | 334 ac-ft | 0 acres | 0 | PA01569 | TOBYHANNA CREEK | 41.1772 | -75.4131 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 2:00:00 AM | PA Dam Safety | ||||||||
NO 1 | PA | L | Failure | 07/06/1952 | Hydrologic/flooding | Spillway Chute Failure | PA01569-3219 | TIMBER CRIB SPILLWAY FAILED. 5 FOOT DROP IN THE POOL LEVEL DESTROYED RECREATIONAL USE. | No | 0 | 0 | 0 | 0 | A CAMPGROUND ORGANIZATION REBUILT THE DAM IN 1953 WITH A 72' WIDE CONCRETE SPILLWAY. | P | RE | O | NR | 8 ft | 334 ac-ft | 0 acres | 0 | PA01569 | TOBYHANNA CREEK | 41.1772 | -75.4131 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
LAKE PLACIDA | PA | H | Non-failure | 09/07/2011 | Hydrologic/flooding | Overtopping | Erosion | PA01711-3217 | OVERTOPPING IN TROPICAL STORM CAUSED MINOR DAMAGE TO EMBANKMENT ON RIGHT & LEFT SIDES OF SPILLWAY. | TS Lee | No | 0 | REHAB AND LARGER SPILLWAY PROJECT WAS COMPLETED. CONSTRUCTION CERTIFICATION REC'D IN 2015. | A DAM REHAB PLAN HAD BEEN APPROVED PRIOR TO THE OVERTOPPING EVENT. | P | RE | R | Y | 6 ft | 18 ac-ft | 3 acres | 1910 | PA01711 | TR CONOY CREEK | 40.1531 | -76.5894 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
MOON LAKE | PA | H | Non-failure | 07/22/2018 | Hydrologic/flooding | Overtopping | Excessive/increased Seepage | PA01781-3222 | EXTREME RAINFALL OVERTOPPED DAM, DAMAGED DOWNSTREAM SLOPE, AND RESULTED IN SEEPAGE BOILS. | Yes | 0 | 2 | 0 | 0 | Roads | EAP ACTIVATED AND COMPLETE DRAWDOWN REQUIRED. | REHAB PROJECT APPROVED IN 2012 NOT COMPLETED WITH THERE WERE CONSTRUCTION DEFICIENCIES. | P | CNRE | R | Y | 12 ft | 54 ac-ft | 14 acres | 0 | PA01781 | DEEP CREEK | 40.7186 | -76.38 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | 5 DAYS | PA Dam Safety | |||||||
AUGUSTINE | PA | S | Failure | 03/05/2018 | Hydrologic/flooding | Overtopping | Erosion | PA01909-3187 | OVERTOPPING ERODED 2 TO 3 FEET IN TOP OF EMBANKMENT AND ON DOWNSTREAM SLOPE. | No | 0 | 0 | OWNER NOW AGREES TO REMOVE DAM & WILL BE ISSUED EMERGENCY PERMIT WITH SPECIFIED BREACH SIZE | DAM DAMAGED BY FLOODING IN 2003-4 & OWNER ORDERED TO DRAIN & BREACH. DAMAGES WERE REPAIRED. | P | RE | R | N | 14 ft | 10 ac-ft | 0 acres | 0 | PA01909 | TR JERSEY RUN | 39.9511 | -80.1628 | 0 | PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION | PA Dam Safety | |||||||||||
WINANS | PA | L | Non-failure | 04/01/2015 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | PA00000-3225 | CMP PRINCIPAL SPILLWAY PIPES SEPARATED RESULTING IN LARGE ERODED HOLE ON THE DOWNSTREAM SLOPE. | 0 | 0 | PRIMARY SPILLWAY PLUGGED, FLOW DIVERTED TO AUXILIARY PIPES, & REPAIR PLAN PREPARED. | VERY PROMPT REPAIR PLAN SUBMITTED AND WORK COMPLETED BY THE END OF 2015. | P | RE | R | 10 ft | 0 ac-ft | 0 acres | 0 | PA00000 | SPRING RUN | 41.4112 | -79.4619 | 0 | PADEP | PA Dam Safety | |||||||||||||
SGL #69 DAM 13 | PA | L | Non-failure | 01/01/2014 | Other | Animal Activity | Debris Clogging | PA00000-3226 | DAMS BUILT FOR WATERFOWL DAMAGED BY BEAVERS BLOCKING SPILLWAYS & ASSOCIATED HIGH WATER. | 0 | 0 | 0 | 0 | Dams Downstream | DAMS REMOVED AND NATURAL WATERWAYS RESTORED. | THESE DAMS WERE INEFFECTIVE IN ATTRACTING WATER FOWL. | S | RE | F | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | WEST BRANCH SUGAR CREEK | 41.3808 | -79.5348 | 0 | PADEP | PA Dam Safety | ||||||||||
KETNER DAM | PA | L | Failure | 08/28/1911 | Hydrologic/flooding | Overtopping | PA00000-3227 | HEAVY RAINS DESTROYED CORE WALL & EMBANKMENT DURING CONSTRUCTION. FLOOD WAVE TO JOHNSONBURG. | No | 0 | 0 | 0 | 0 | Roads | REBUILT WITH MODIFICATIONS IN 1912, BREACHED DUE TO POOR CONDITION IN 1977. | 250 ac-ft | DAM WAS REBUILT & PUT IN SERVICE IN JULY 1912. BREACHED IN NOV. 1977 DUE TO POOR CONDITION. DESTROYED TOWNSHIP HIGHWAY BRIDGE 1000' BELOW THE DAM. | P | RE | S | 45 ft | 0 ac-ft | 0 acres | 1912 | PA00000 | JOHNSON RUN | 41.3251 | -78.3743 | 0 | PADEP | 1 DAY | Yes | PA Dam Safety | |||||||
MILLSTONE | PA | L | Non-failure | 06/01/2013 | Unknown | Overtopping | PA00000-3228 | CONCRETE SLAB AT THE BASE OF DAM HAS MOVED 1 TO 2 FT, COMPROMISING THE DAMS STABILITY | 0 | 0 | FEDERAL DAM WITH NO STATE JURISDICTION. OWNER NOTIFIED CAMPGROUND DOWNSTREAM. | NO PA DAM SAFETY INSPECTIONS SINCE 1993. UNKNOWN IF REPAIRS WERE MADE. | F | RECN | F | 5 ft | 0 ac-ft | 0 acres | 0 | PA00000 | EAST BRANCH MILLSTONE CREEK | 41.2406 | -79.0454 | 0 | PADEP | PA Dam Safety | ||||||||||||||
LINDEN LAKE | PA | S | Non-failure | 02/26/1917 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | PA00000-3229 | AFTER HEAVY RAINS, 60' WIDE OVERTOPPING FLOW UP TO 1.5 FOOT DEPTH. | No | 0 | 0 | 0 | 0 | Roads | Unknown | FAYETTE CO. EMERGENCY MGT. WAS NOTIFIED; CONES SET OUT TO CLOSE ROAD. | SIMILAR OVERTOPPING AT THE DAM ALSO OCCURRED ON MARCH 4, 2015. 8 INCH DEPTH OF OVERTOPPING AT DOWNSTREAM LINDEN HALL ROAD. | P | RE | IR | 11 ft | 0 ac-ft | 0 acres | 1955 | PA00000 | TR YOUGHIOGHENY RIVER | 40.0407 | -79.4201 | 0 | PADEP | 8:00:00 AM | 1 DAY | No | PA Dam Safety | |||||
SUNFISH POND | PA | L | Failure | 04/27/2011 | Unknown | Overtopping | PA00000-3231 | MOST OF STONE RETAINING WALL ON THE D/S SIDE OF THE DAM COLLAPSED. | 0 | 0 | 0 | 0 | DAM WAS BREACHED TO PREVENT POTENTIAL LOSS OF DOWNSTREAM CULVERT. | S | STMS | F | 11 ft | 0 ac-ft | 0 acres | 0 | PA00000 | TR MIDDLE CREEK | 40.1611 | -76.1457 | 0 | PADEP | 1 DAY | No | PA Dam Safety | |||||||||||
ECHO CANYON DAM LINCOLN | NV | H | Non-failure | 03/07/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | NV00117-3353 | Rain on snow event in watershed caused excessive runoff into the basin which caused earthen spillway to activate and caused 20 foot deep headcut. Erosion was stopped at rock cutoff wall. | No | 0 | 0 | 0 | 0 | None | Unknown | owner was onsite during high flow event and monitored the situation. Did not activate the EAP. | S | RE | FR | Y | 58 ft | 1750 ac-ft | 64 acres | 1970 | NV00117 | MEADOW VALLEY WASH | 37.9072 | -114.272 | 0 | NEVADA DWR | 2 days | NV Dam Safety | ||||||||
JD RESERVOIR | NV | L | Non-failure | 01/01/2020 | Seepage/internal Erosion | Animal Activity | Erosion | NV00192-3354 | Upon the 2020 dam inspection, a large eroded hole was found next to the principal spillway outlet on the downstream side. On the upstream side, a rodent hole was found that was spilling, contributing to the erosion. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | P | RE | IP | Y | 20 ft | 300 ac-ft | 30 acres | 0 | NV00192 | HENDERSON CREEK | 40.0905 | -116.266 | 0 | NEVADA DWR | Unknown | NV Dam Safety | ||||||||
LAKE ZUMBRO CDF | MN | L | Failure | 11/22/2019 | Structural Stability | Foundation Deficiency | Slope Stability | MN01822-3355 | New dam. Concerns about possible karst at spillway. Dam failed during initial filling 2 to 3 feet below design level. | No | 0 | 0 | 0 | 0 | Other | $1 to $100,000 | Emergency repairs of breach. Dredging downstream harbor of sediments. | Large debris flow into downstream lake needed cleanout. Rock foundation failure under core trench. 30 foot wide, vertical wall, 50 foot north of outlet. | L | RE | O | NR | 37 ft | 518 ac-ft | 0 acres | 0 | MN01822 | 44.1695 | -92.4304 | 0 | MNDNR EWR | Yes | MN Dam Safety | |||||||
HUNTSVILLE FILTER | PA | L | Failure | 06/27/2006 | Hydrologic/flooding | Piping | PA00000-3232 | DURING EXTREME RAINFALL, PIPING HOLE DEVELOPED UNDER THE STRUCTURE. | 0 | 0 | AN EMERGENCY PERMIT WAS ISSUED TO REMOVE THE DAM. | P | RE | O | 13 ft | 0 ac-ft | 0 acres | 0 | PA00000 | HUNTSVILLE CREEK | 41.1754 | -75.5554 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||||
HUNTSVILLE INTAKE | PA | L | Failure | 06/28/2006 | Hydrologic/flooding | Overtopping | PA00000-3233 | EXTREME RAINFALL WITH OVERTOPPING BREACHED DAM IN NATURAL MATERIAL ON THE RIGHT ABUTMENT. | 0 | 0 | EMERGENCY PERMITS WERE ISSUED TO (1) STABILIZE DAMAGE AND (2) REMOVE THE DAM. | P | STMS | O | 13 ft | 0 ac-ft | 0 acres | 0 | PA00000 | HUNTSVILLE CREEK | 41.1754 | -75.5542 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||||
FAIRCHILD | PA | L | Non-failure | 06/29/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00000-3234 | OVERTOPPING DURING EXTREME RAINFALL CAUSED DAMAGE TO THE DOWNSTREAM SLOPE. | 0 | 0 | P | RE | PG | 10 ft | 0 ac-ft | 0 acres | 0 | PA00000 | TR NEWPORT CREEK | 41.1024 | -76.003 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||||
BRUSHVILLE LAKE | PA | S | Failure | 06/26/2006 | Hydrologic/flooding | Overtopping | PA00000-3235 | STONE MASONRY EARTHFILL DAM OVERTOPPED AND FAILED; FULLY BREACHED. | No | 0 | 0 | EMERGENCY PERMIT ISSUED TO STABILIZE THE BREACHED SECTION. PERMIT APP. IN 2008 TO REBUILD DAM. | PERMIT APP, INACTIVE FOR YRS, IS ACTIVE AS OF 2018, NEARLY COMPLETED BUT NOT YET ISSUED. | P | STMSRE | R | 15 ft | 0 ac-ft | 0 acres | 0 | PA00000 | LEWIS CREEK | 41.5454 | -75.3754 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||
CARPENTER LAKE | PA | L | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | Erosion | PA00000-3236 | OVERTOPPING RESULTED IN EROSION OF THE DOWNSTREAM FACE. | 0 | 0 | EMERGENCY PERMIT TO REPAIR EMBANKMENT WITH SPECIAL CONDITON TO SUBMIT APP FOR REHABILITATION. | CONCEPT APPROVED BY DEP IN 2007 BUT NO FOLLOW-UP SUBMISSION OF SIGNED & SEALED PLANS. | P | REST | P | 12 ft | 0 ac-ft | 0 acres | 0 | PA00000 | TR MARTINS CREEK | 41.42 | -75.4518 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||
ELBOW LAKE | PA | L | Failure | 06/26/2006 | Hydrologic/flooding | Overtopping | PA00000-3237 | DAM WAS FULLY BREACHED BY OVERTOPPING | 0 | 0 | EMERGENCY PERMIT WAS ISSUED TO STABILIZE THE BREACH SECTION. | 150 ac-ft | OWNER'S ENGR SUBMITTED PLAN TO REBUILD; PERMIT APP. REQ'D. NO FOLLOW UP, DAM REMAINS BREACHED. | P | RE | R | 11 ft | 0 ac-ft | 0 acres | 0 | PA00000 | BEAVER CREEK | 41.5226 | -75.4716 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||
MORELLI | PA | L | Non-failure | 06/26/2006 | Hydrologic/flooding | Overtopping | PA00000-3238 | DAM OVERTOPPED AND THERE WAS MAJOR DAMAGE. | 0 | 0 | EMERGENCY PERMIT ISSUED TO BREACH UNTIL OWNER DECIDES FUTURE OF DAM. | IN 2007 OWNER OBTAINED PERMIT TO REPAIR THE DAM AND ALSO COMPLETED THE WORK IN 2007. | P | RE | R | 15 ft | 0 ac-ft | 0 acres | 1969 | PA00000 | TR SUSQUEHANNA RIVER | 41.5531 | -75.4649 | 0 | PADEP | 3 DAYS | PA Dam Safety | |||||||||||||
GILLESPIES POND | PA | S | Failure | 06/26/2006 | Hydrologic/flooding | Overtopping | PA00000-3239 | THE DAM SUFFERED MAJOR DAMAGE AND WAS PARTIALLY BREACHED BY EXCESSIVE RAINFALL EVENT. | No | 0 | 0 | EMERGENCY PERMIT WAS ISSUED TO STABILIZE THE PARTIAL BREACH SECTION. | PARTIAL BREACH IS REPAIRED. A PERMIT APPLICATION TO MODIFY THE DAM IS PENDING; IT WAS SUBMITTED IN 2009. | P | STRE | R | 10 ft | 0 ac-ft | 0 acres | 0 | PA00000 | MEYLERT CREEK | 41.5043 | -75.4333 | 0 | PADEP | 3 DAYS | PA Dam Safety | ||||||||||||
SPRING RUN | PA | L | Non-failure | 07/01/2013 | Hydrologic/flooding | Overtopping | PA00000-3240 | COUNTY REPORTED REPEATED OVERTOPPING OF DAM & EROSION DURING RECENT WEATHER EVENT. | 0 | 0 | DEP STAFF INSPECTED SITE. NO SIGNIFICANT DETERIORATION COMPARED TO PRIOR INSPECTIONS, | 0 ac-ft | THERE WAS SOIL EROSION ON WINGWALLS AND 1.5 INCH OVERTOPPING DEPTH. | P | RE | R | 6 ft | 0 ac-ft | 0 acres | 0 | PA00000 | SCRUBGRASS CREEK | 41.1154 | -79.5148 | 0 | PADEP | 2:00:00 PM | PA Dam Safety | ||||||||||||
MARIANO BORO. INTAKE DAM | PA | L | Failure | 12/01/2010 | Deterioration Or Poor Condition | Overtopping | PA00000-3241 | CONCRETE DAM FAILED ON RIGHT ABUTMENT. EROSION ALONG DAM WAS A THREAT TO ADJACENT STATE ROAD. | No | 0 | 0 | POOL DRAWN DOWN WITH PUMPS. EMERGENCY PERMIT REPAIRS BY BORO USED CONCRETE BAGS & REBAR. | IN 2016 PENNDOT REPAIRED DAM, BUT DOWNSTREAM SLOPE FAILED AGAIN. BREACH OF DAM IS PENDING AS OF 2018. | L | CN | S | 6 ft | 0 ac-ft | 0 acres | 0 | PA00000 | TENMILE CREEK | 40.011 | -80.0542 | 0 | PADEP | PA Dam Safety | |||||||||||||
DERRY RUN BASIN C | PA | L | Failure | 07/22/2013 | Hydrologic/flooding | Spillway Pipe Failure | PA00000-3242 | OUTLET WORKS INCLUDING 4' DIAMETER CMP WERE UNDERMINED AND FAILED | 0 | 0 | 0 | 0 | BREACHING OF THE DAM WAS COMPLETED ON SEPT 17, 2014 | PA DEP APPROVED BREACH/REMOVAL PLAN FOLLOWING THE FAILURE. | L | RECN | C | 0 ft | 0 ac-ft | 0 acres | 0 | PA00000 | TR LITTLE CONEWAGO CREEK | 39.5802 | -76.4822 | 0 | PADEP | 1 DAY | PA Dam Safety | |||||||||||
GREENLICK | PA | H | Failure | 07/17/1904 | Seepage/internal Erosion | Piping | PA00219-3186 | LEAK DISCOVERED IN A.M., D/S RESIDENTS WARNED & TOTAL BREACH FAILURE AT 10PM. | No | 0 | DAM RECONSTRUCTED W/ IMPERVIOUS MATERIAL & MASONRY FACING ON U/S SLOPE | 500 ac-ft | THIS DAM WAS RECONSTRUCTED AND IN SERVICE UNTIL BREACHED CIRCA 1981 | L | RE | S | 60 ft | 0 ac-ft | 0 acres | 1901 | PA00219 | GREEN LICK RUN | 40.0618 | -79.31 | 0 | PADEP | 10:00:00 PM | 1 DAY | Yes | PA Dam Safety | ||||||||||
LAKE LEHMAN | PA | H | Non-failure | 08/23/2010 | Seepage/internal Erosion | Excessive/increased Seepage | PA00341-3214 | NEW & SIGNIFICANT SEEPAGE WAS OBSERVED ALONG A GUIDE WALL, DOWNSTREAM END OF OUTLET PIPE. | No | 0 | 0 | OWNER ISTRUCTED TO LOWER LAKE AT RATE OF 1 FT PER DAY. LAKE MAINTAINED 10' BELOW NORMAL POOL. | THE COMPANY DECIDED TO REMOVE THE DAM UNDER WAIVER TO BREACH; COMPLETED IN 2014-15. | P | RE | SR | 52 ft | 0 ac-ft | 0 acres | 0 | PA00341 | POWDER MILL RUN | 39.5147 | -76.5139 | 0 | PADEP | PA Dam Safety | |||||||||||||
LAKE WANAMIE | PA | H | Non-failure | 06/26/2006 | Hydrologic/flooding | Erosion | PA00552-3190 | DAM DID NOT OVERTOP DURING EXTREME RAINFALL, BUT EXCESSIVE EROSION DEVELOPED. | No | 0 | 0 | A DAM REMOVAL PLAN HAD BEEN IN PROCESS. AN EMERGENCY PERMIT WAS ISSUED TO BREACH. | P | REMS | R | 26 ft | 0 ac-ft | 0 acres | 1850 | PA00552 | WANAMIE RUN | 41.1006 | -76.0124 | 0 | PADEP | 3 DAYS | PA Dam Safety | |||||||||||||
FISH POND DAM | PA | L | Failure | 04/28/1994 | Seepage/internal Erosion | Erosion | PA00859-3183 | 20'x10'x6' HOLE ERODED AROUND COLLAPSED INLET BOX & POND ELEVATION DROPPED 5 FT. | Yes | 0 | 0 | 1 | 0 | NONE | Unknown | THE DAM WAS BREACHED AND REBUILT UPSTREAM, CREATING A SMALLER LAKE. | PLASTIC TARP WAS USED AS "ARMORING" AND FLEXIBLE PLASTIC PIPE AS A "DIKE" AROUND THE HOLE. | P | RE | R | 39 ft | 0 ac-ft | 0 acres | 1975 | PA00859 | TRIB. OF ROARING CK. | 40.5436 | -76.2218 | 0 | PADEP | 1 DAY | Yes | PA Dam Safety | |||||||
GORSON DAM | PA | H | Non-failure | 06/02/2014 | Seepage/internal Erosion | Piping | PA01084-3195 | A SIGNIFICANT SEEP WAS DISCOVERED ALONG THE CONDUIT PIPE. | No | 0 | 0 | 0 | 0 | EMERGENCY DRAWDOWN OF THE IMPOUNDMENT RECOMMENDED BY DEP DAM SAFETY. | DUE TO EXTENT AND COST OF REQUIRED REPAIRS, PROPERTY OWNER CHOSE TO BREACH DAM AND RESTORE STREAM. | P | RE | R | 11 ft | 0 ac-ft | 0 acres | 1929 | PA01084 | MILL CREEK | 41.1051 | -74.5605 | 0 | PADEP | Yes | PA Dam Safety | Y | |||||||||
CONWAY SPORTS MAN'S CLUB LOWER DAM | PA | L | Non-failure | 04/14/2008 | Seepage/internal Erosion | Sinkhole | PA01358-3179 | DURING DEP INSPECTION, EXCESSIVE SEEPAGE AND 4' DEEP SINKHOLE FOUND ON DOWNSTREAM EMBANKMENT | No | 0 | 0 | DEP INSTRUCTED OWNER TO BEGIN DRAWDOWN & COVER INFLOW AREA ON U/S FACE WITH RUBBER SHEETING. | REPAIR PLANS RECEIVED BY DEP ON 10/21/2008 | P | RE | R | 18 ft | 0 ac-ft | 0 acres | 1917 | PA01358 | TR CONNOQUENESSING CREEK | 40.4725 | -80.0621 | 0 | PADEP | PA Dam Safety | |||||||||||||
LAKE POCO DAM | PA | S | Non-failure | 09/17/2004 | Hydrologic/flooding | Overtopping | Erosion | Sinkhole | PA01807-3192 | HURRICANE IVAN OVERTOPPING SEVERELY ERODED DOWNSTREAM SLOPE & LARGE SINKHOLES DEVELOPED | Ivan | No | 0 | 0 | OWNER DECIDED NOT TO REPAIR; A BREACH PLAN WAS SUBMITTED, APPROVED AND COMPLETED. | 0 ac-ft | DAM DID NOT HAVE A PERMIT. UNAUTHORIZED REPAIRS WERE INITIATED: FILLING OF ERODED AREA WITH ROCKFILL. | P | RE | 13 ft | 0 ac-ft | 0 acres | 0 | PA01807 | TR JACOBY CREEK | 40.5434 | -75.0803 | 0 | PADEP | 1 DAY | PA Dam Safety | |||||||||
WATERFORD POND DAM | IA | L | Non-failure | 05/29/2019 | Deterioration Or Poor Condition | Sinkhole | Spillway Pipe Failure | IA00914-3243 | The corrugated metal pipe spillway deteriorated leading to a 15 foot by 10 foot sinkhole on the backside of the dam. | No | 0 | 0 | 0 | 0 | None | None | P | RE | P | NR | 40 ft | 97 ac-ft | 4 acres | 1966 | IA00914 | TR-BEAVER CREEK | 41.6748 | -93.7419 | 0 | IOWA DNR | IA DNR | |||||||||
FOUNTAIN LAKE CDF | MN | S | Non-failure | 05/01/2020 | Structural Stability | Foundation Deficiency | Sliding | Slope Stability | MN01804-3356 | During construction, oversaturated foundation led to interior slope failure. Repaired. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | Owner and engineer completed emergency repairs. | Upstream embankment slide prior to first filling. | L | RE | O | Y | 25 ft | 560 ac-ft | 32 acres | 2017 | MN01804 | BANCROFT CREEK-OS | 43.6959 | -93.3798 | 0 | MNDNR EWR | Yes | MN Dam Safety | |||||
ENGLISH BENCH WATERSHED SITE 9 | IA | L | Non-failure | 11/20/2018 | Structural Stability | Piping | Slope Stability | IA00086-3357 | Slide failure and piping at toe | L | RE | PC | NR | 38 ft | 32 ac-ft | 2 acres | 1970 | IA00086 | TR-UPPER IOWA RIVER | 43.4418 | -91.4662 | 0 | IOWA DNR | IA Dam Safety | ||||||||||||||||
UPPER BEAVER SUBWATERSHED SITE M-1 | IA | L | Non-failure | 03/01/2019 | Deterioration Or Poor Condition | Spillway Erosion/head Cutting | Accident Or Misoperation | IA00717-3358 | Clogged spillway inlet and high auxiliary spillway flows resulted in significant erosion of the auxiliary spillway channel. | L | RE | PC | NR | 60 ft | 194 ac-ft | 8 acres | 1967 | IA00717 | TR-BEAVER CREEK | 42.0612 | -95.8452 | 0 | IOWA DNR | IA Dam Safety | ||||||||||||||||
WATERFORD POND DAM | IA | L | Non-failure | 05/29/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | IA00914-3359 | The corrugated metal pipe spillway deteriorated leading to a 15 foot by 10 foot sinkhole on the backside of the dam. | P | RE | P | NR | 40 ft | 97 ac-ft | 4 acres | 1966 | IA00914 | TR-BEAVER CREEK | 41.6748 | -93.7419 | 0 | IOWA DNR | IA Dam Safety | ||||||||||||||||
BEDFORD WATER SUPPLY DAM | IA | S | Non-failure | 10/11/2018 | Deterioration Or Poor Condition | Spillway Pipe Failure | Piping | IA01052-3360 | Piping and loss of significant downstream embankment slope due to deteriorated corrugated metal pipe. | L | RE | S | NR | 44 ft | 598 ac-ft | 30 acres | 1969 | IA01052 | TR-EAST FORK 102 RIVER | 40.6822 | -94.7127 | 0 | IOWA DNR | IA Dam Safety | ||||||||||||||||
LINN GROVE MILLDAM | IA | L | 04/22/2019 | Hydrologic/flooding | Overtopping | IA01308-3361 | Low Head Dam. Flood event cause overtopping and breaching in two locations of the abutment area. | L | PG | R | NR | 9 ft | 416 ac-ft | 90 acres | 1924 | IA01308 | LITTLE SIOUX RIVER | 42.8956 | -95.2448 | 0 | IOWA DNR | IA Dam Safety | ||||||||||||||||||
PORCHES MILL DAM | NJ | L | Failure | 08/07/2020 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | NJ00113-3362 | Heavy rainstorm caused overtopping failure of earthen embankment | No | 0 | 0 | 0 | 0 | Roads | Unknown | 76 ac-ft | Dam embankment crest served as municipal roadway, therefore breach resulted in the loss of municipal roadway | P | PGRE | R | NR | 20 ft | 76 ac-ft | 18 acres | 1923 | NJ00113 | OLDMANS CREEK-TR | 39.7001 | -75.3319 | 0 | NJDEP | 1 day | Investigation | NJ Dam Safety | |||||
Clement Lake Dam | NJ | L | Failure | 06/01/2019 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | NJ00000-3363 | Heavy rainstorm caused overtopping failure of earthen embankment | No | 0 | 0 | 0 | 0 | Unknown | Unknown | L | RE | NR | 0 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | Millard Creek | 39.8364 | -74.957 | 0 | NJ DEP | 1 day | Unknown | NJ Dam Safety | ||||||||
WATERVILLE RESERVOIR DAM #2 | NY | S | Non-failure | 10/31/2019 | Hydrologic/flooding | Overtopping | Debris Clogging | Insufficient Spillway Capacity | NY12268-3364 | Record runoff and stream flows from the upstream drainage basin blocked the spillway channel. High stream flows and scour velocities eroded away the deteriorated but functional concrete lined spillway channel and transported debris. This blockage re-routed the stream flow into right basin of NY12268. This basin filled to capacity and overtopped the dividing wall basins. Left Basin (No. 1) filled to capacity and then overtopped the embankment. The high water flow and velocity eroded a section of the earth and stone lined core wall at the location of a water main penetration. | No | 0 | 0 | 0 | 0 | Roads, Water/sewer lines | $1 million to $5 million | incident report by Village's consulting engineer | L | MS | S | Y | 10 ft | 7 ac-ft | 3 acres | 1917 | NY12268 | TR-BIG CREEK | 42.9283 | -75.3383 | 0 | NYS DEC | 20:00 | 1 day | Yes | NY Dam Safety | ||||
PINE GROVE LAKE DAM | NY | H | Non-failure | 08/04/2020 | Other | Vegetation | NY13266-3365 | Embankment has extensive trees. High winds caused a tree to fall at the downstream edge of the dam crest. This created a void in the embankment and a crack in the soil around the tree roots, however further examination conluded the cracking was due to earth being pulled away by the roots, not due to dam slope sliding. | Remnant of Tropical Storm Isaias | No | 0 | 0 | 0 | 0 | tree and roots were removed, embankment was repaired. Additional tree clearing required | P | RE | R | Y | 12 ft | 26 ac-ft | 5 acres | 1968 | NY13266 | TR-RAMAPO RIVER | 41.16 | -74.1778 | 0 | NYS DEC | No | NY Dam Safety | |||||||||
SUMMIT CREEK NO. 1 | UT | L | Non-failure | 04/29/2019 | Seepage/internal Erosion | Excessive/increased Seepage | Abutment Failure | UT30025-3366 | Flood control dam filled during high spring runoff. Excessive seepage and internal erosion from right abutment. | No | 0 | 0 | 0 | 0 | Unknown | Community officals responsive during incident. Provided pumps to lower reservoir. Owner lowered spillway followng the event. | A site inspection report to document observations was prepared. An investigation report was not prepared. | P | RE | C | NR | 23 ft | 137 ac-ft | 0 acres | 1913 | UT30025 | 39.9757 | -111.813 | 0 | UTAH DIVISION OF WATER RIGHTS | 2 days | Yes | UT Dam Safety | |||||||
LAKE ELMDALE DAM | AR | H | Non-failure | 04/29/2017 | Hydrologic/flooding | Spillway Erosion/head Cutting | Erosion | AR00290-3367 | The Lake Elmdale auxiliary spillway 2 experienced significant headcutting and erosion. | No | 0 | 0 | 0 | Other | Large cobbles, boulders, rocks, and sediment were washed downstream onto landowners. Lake Elmdale's watershed has seen a 90% development since construction, increasing both runnoff and time of concentration. The dam currently has a primary spillway for normal pool, and three axuiliary spillways. | S | RE | R | N | 46 ft | 2050 ac-ft | 125 acres | 1952 | AR00290 | BUSH CREEK | 36.1983 | -94.2183 | 0 | ANRC | No | AR Dam Safety | |||||||||
WALTER DAM | NE | L | Failure | 07/09/2019 | Hydrologic/flooding | Overtopping | NE00287-3368 | Heavy rain produced flooding that overtopped the dam. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 78 ac-ft | Minor damage to downstream agricultural field. | P | RE | I | NR | 18 ft | 78 ac-ft | 7 acres | 1944 | NE00287 | TR-TURKEY CREEK | 40.7174 | -99.2459 | 0 | NE DNR | No | NE Dam Safety | |||||||
DOBIAS DAM | NE | L | Failure | 03/01/2019 | Hydrologic/flooding | Overtopping | NE01792-3369 | Rain on snow resulted in flood that overtopped the dam. | Winter Storm Ulmer | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 86 ac-ft | No downstream damages were reported | P | RE | P | NR | 43 ft | 86 ac-ft | 6 acres | 1981 | NE01792 | TR-VERDIGRE CREEK | 42.62 | -98.094 | 0 | NE DNR | No | NE Dam Safety | ||||||
VONASEK DAM 1835 | NE | L | Failure | 03/01/2019 | Hydrologic/flooding | Overtopping | NE01835-3370 | Rain on snow resulted in flood that overtopped the dam. | Winter Storm Ulmer | No | 0 | 0 | 0 | 0 | Roads | $100,000 to $500,000 | 109 ac-ft | Unapproved Dam. Road on dam crest closed while dam was rebuilt | L | RE | CO | NR | 19 ft | 109 ac-ft | 2 acres | 1958 | NE01835 | TR-VERDIGRE CREEK | 42.5963 | -98.3165 | 0 | NE DNR | No | NE Dam Safety | ||||||
DOWDY DAM 6106 | NE | L | Failure | 09/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | NE06106-3371 | Corrosion of CMP Spillway Conduit led to internal erosion. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | 2 ac-ft | Unapproved Dam. Road on dam crest closed while dam was rebuilt | L | RE | C | NR | 25 ft | 32 ac-ft | 3 acres | 1980 | NE06106 | TR-ROSE CREEK | 40.0526 | -97.2591 | 0 | NE DNR | No | NE Dam Safety | |||||||
DAGEFORDE DAM | NE | L | Failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | NE08657-3372 | Corrosion of CMP Spillway Conduit led to internal erosion. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 27 ac-ft | Unapproved Dam. No downstream damages were reported | P | RE | C | NR | 19 ft | 73 ac-ft | 7 acres | 1980 | NE08657 | TR-LITTLE BLUE RIVER | 40.1219 | -97.5903 | 0 | NE DNR | No | NE Dam Safety | |||||||
WHAYLE REYNOLDS DAM 1 | NE | L | Failure | 01/01/2019 | Deterioration Or Poor Condition | Spillway Erosion/head Cutting | High Reservoir Level | NE01355-3373 | Dam failed through earthen auxiliary spillway. Spillway was poorly maintained. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 213 ac-ft | Unapproved Dam. Remote location. No downstream damages reported. | P | RE | P | NR | 16 ft | 339 ac-ft | 35 acres | 1963 | NE01355 | W BR TURKEY CREEK | 40.5255 | -99.8 | 0 | NE DNR | No | NE Dam Safety | ||||||
SCHMIDT AG IRRIG DAM | NE | L | Failure | 02/01/2019 | Seepage/internal Erosion | Piping | NE05530-3374 | Piping along spillway conduit after first fill. Poor compaction and dispersive soil suspected. | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 49 ac-ft | Unapproved Dam. No downstream damage | P | RE | I | NR | 21 ft | 260 ac-ft | 11 acres | 2018 | NE05530 | TR-CUB CREEK | 40.1993 | -97.098 | 0 | NE DNR | No | NE Dam Safety | ||||||||
SOESTER CAYLOR DAM | NE | L | Failure | 05/01/2019 | Deterioration Or Poor Condition | Other | High Reservoir Level | NE09793-3375 | Wave erosion broke through crest of dam during high reservoir levels | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 131 ac-ft | No downstream damage. | P | RE | P | NR | 16 ft | 132 ac-ft | 18 acres | 1950 | NE09793 | TR-WHITE RIVER | 42.7245 | -103.3 | 0 | NE DNR | No | NE Dam Safety | ||||||
RITTSCHER FARM & RANCH DAM | NE | L | Failure | 01/01/2019 | Unknown | Unknown | NE08503-3376 | Dam failed along principal spillway alignment. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 50 ac-ft | Unapproved Dam. No downstream damages were reported | P | RE | P | NR | 12 ft | 123 ac-ft | 8 acres | 1960 | NE08503 | TR-CLEARWATER CREEK | 42.0682 | -98.4091 | 0 | NE DNR | No | NE Dam Safety | |||||||
DARKE CO. WILDLIFE AREA POND NO. 5 DAM | OH | L | Non-failure | 01/01/2019 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | Spillway Pipe Failure | OH00574-3377 | A small vortex was notice near the principal spillway inlet (slant pipe). There appears to be a defect in the pipe and seepage was traveling along the outside of the pipe from the inlet. There was also a small sinkhole on the downstream slope near the outlet. The water level was lowered and the area around the spillway inlet was sandbagged. | Yes | 0 | S | RE | R | Y | 25 ft | 54 ac-ft | 4 acres | 1966 | OH00574 | TRIBUTARY TO BOLTON RUN | 40.1206 | -84.5214 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||
TYCOON LAKE DAM | OH | H | Non-failure | 02/20/2019 | Structural Stability | Slope Stability | OH00283-3378 | Slide on the downstream slope. The slide was later repaired. | Yes | 0 | S | RE | R | Y | 29 ft | 4078 ac-ft | 176 acres | 1961 | OH00283 | TRIBUTARY TO RACCOON CREEK | 38.9222 | -82.3533 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||||
LAKE CORSICA DAM | SD | H | Non-failure | 09/11/2019 | Hydrologic/flooding | High Reservoir Level | Gate/valve Failure | SD01091-3406 | Heavy rainfall over already wet watershed resulted in a high reservoir level. The low level outlet gate was also damaged during the event causing it to discharge uncontrolled flow. | 0 | unknown | unknown | unknown | Downstream campground was closed for a period of time after the event, dam owner and county emergency manager contacted state dam safety staff on additional actions and monitoring needed, state dam safety staff inspected the dam five days after the event. | The secondary spillway also operated which discharges across the access road into and through part of the camp ground/ recreation area directly below the dam. | L | RE | R | Y | 32 ft | 2020 ac-ft | 116 acres | 1939 | SD01091 | CHOTEAU CREEK | 43.41 | -98.2983 | 1986 | DENR | SD Dam Safety | ||||||||||
MINA | SD | S | Non-failure | 04/04/2019 | Hydrologic/flooding | Spillway Chute Failure | SD00016-3407 | During heavy spring runoff the lower portions of several slab panels along the toe of the primary concrete spillway where displaced and washed downstream. | No | 0 | 0 | 0 | 0 | Increased monitoring of the spillway until water levels decreased, an in-depth spillway inspection and assessment was done Summer 2019, temporary repair was completed in Spring 2020, an updated breach analysis was done, and owner has started planning on a full replacement. | S | RE | R | N | 32 ft | 19000 ac-ft | 850 acres | 1934 | SD00016 | SNAKE CREEK | 45.4417 | -98.7317 | 2001 | DENR | SD Dam Safety | |||||||||||
MENNO DAM | SD | H | Non-failure | 04/01/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | Animal Activity | SD00026-3408 | Secondary spillway experienced significant heading cutting when it operated during both April and August of 2019. Erosion related to livestock grazing on the spillway likely contributed to the development of the issue. | No | 0 | 0 | 0 | 0 | Owner increased monitoring of the dam and secondary spillway until it was repaired in Fall of 2019. | S | RE | R | Y | 53 ft | 2050 ac-ft | 48 acres | 1935 | SD00026 | JAMES RIVER TRIBUTARY | 43.2617 | -97.6167 | 1996 | DENR | SD Dam Safety | ||||||||||
MENNO DAM | SD | H | Non-failure | 08/01/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | Animal Activity | SD00026-3409 | Secondary spillway experienced significant heading cutting when it operated during both April and August of 2019. Erosion related to livestock grazing on the spillway likely contributed to the development of the issue. | No | 0 | 0 | 0 | 0 | Owner increased monitoring of the dam and secondary spillway until it was repaired in Fall of 2019. | S | RE | R | Y | 53 ft | 2050 ac-ft | 48 acres | 1935 | SD00026 | JAMES RIVER TRIBUTARY | 43.2617 | -97.6167 | 1996 | DENR | SD Dam Safety | ||||||||||
PLATTE | SD | L | Failure | 09/12/2019 | Hydrologic/flooding | Overtopping | SD00010-3409 | Wide spread rainfall on saturated ground ranging from 5 to 10 inches between September 11-12, 2019 caused Platte Creek to reach record levels which overtopped and failed Platte Dam. | No | 0 | unknown | unknown | unknown | State dam safety staff did a site visit on Sept. 17, 2019 to document. | L | RE | R | NR | 28 ft | 1200 ac-ft | 0 acres | 1935 | SD00010 | PLATTE CREEK | 43.385 | -98.8867 | 1973 | DENR | SD Dam Safety | |||||||||||
LAKE HANSON | SD | L | Failure | 09/12/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | SD00691-3410 | Wide spread rainfall on saturated ground ranging from 5 to 10 inches between September 11-12, 2019 caused operation of the earthen secondary spillway which eroded back to the reservoir. | No | 0 | unknown | unknown | unknown | Roads | State dam safety staff did a site visit on Sept. 17, 2019 to document. | Same issue occurred in 2007. Repair to secondary from 2007 event was of limited scope. | S | RE | R | NR | 24 ft | 340 ac-ft | 0 acres | 1932 | SD00691 | TR-JAMES | 43.625 | -97.805 | 1996 | DENR | SD Dam Safety | |||||||||
EAST VERMILLION | SD | L | Non-failure | 09/11/2019 | Hydrologic/flooding | Spillway Erosion/head Cutting | SD00031-3411 | Earthcut secondary spillway experienced significant heading cutting when it operated during as a result of runoff from heavy rainfalls on Sept. 11-12, 2019. | No | 0 | unknown | unknown | unknown | Roads | Owner increased monitoring of the dam and secondary spillway until water levels dropped. East campground and boat ramp was temporarily closed and assistance was provided to get groceries to any stranded campers. | Downstream road was washed out. Access road to east campground and boat ramp access the secondary spillway was washed out. Several campers were stranded in the east campground until the access road was repair. Secondary spillway damage was repaired Winter 2019. | S | RE | CR | NR | 41 ft | 17400 ac-ft | 294 acres | 1958 | SD00031 | E FORK VERMILLION RIVER | 43.59 | -97.1717 | 1994 | DENR | SD Dam Safety | |||||||||
NEW STICKNEY (NELSON) | SD | L | Failure | 09/11/2019 | Hydrologic/flooding | Unknown | SD00688-3412 | Wide spread rainfall on saturated ground ranging from 5 to 10 inches between September 11-12, 2019. High flows contributed to significant erosion around conduits of primary spillway back to the reservoir and partial failure of the dam. | No | 0 | unknown | unknown | unknown | State dam safety staff did a site visit on Sept. 17, 2019 and notified dam owner of the observed damage. Site condition limited access to damaged areas of the dam at the time of visit. | Reservoir still had some storage capacity after incident but it is limited by the erosion damage. A small area of erosion/slide damage extending into the upstream face of the dam also resulted from the event. A small sinkhole in the embankment above the primary spillway conduits was reported in the last dam inspection prior to the event. | S | RE | R | NR | 18 ft | 177 ac-ft | 14 acres | 1965 | SD00688 | TR-JAMES | 43.6217 | -98.355 | 0 | DENR | SD Dam Safety | ||||||||||
NEWELL | SD | L | Non-failure | 05/23/2019 | Hydrologic/flooding | Spillway Pipe Failure | SD00011-3413 | High flows during spring of 2019 resulted in the primary spillway conduits failing on the downstream side of the dam and eroding area up to the dam crest. | No | 0 | unknown | unknown | unknown | Other | As conditions allow owner is maintaining a lowered reservoir level to reduce flow through the primary spillway to prevent further damage. | Reservoir was closed winter 2019-2020 due to concerns about ice instability as the reservoir was lower for spring. | S | RE | CPR | NR | 28 ft | 2550 ac-ft | 158 acres | 1958 | SD00011 | WILLOW CREEK | 44.835 | -103.385 | 1998 | DENR | SD Dam Safety | |||||||||
ALVIN | SD | L | Non-failure | 01/01/2019 | Hydrologic/flooding | Spillway Chute Failure | Slope Stability | SD00029-3414 | Multiple high flow events in 2019 damaged primary spillway with portion of spillway wall collapsing and caused embankment sloughing adjacent to primary spillway and stilling basin. | No | 0 | unknown | unknown | unknown | Roads | Owner did some stabilization work on sloughing and hired an engineering consultant to do additional analysis | County road downstream of dam was closed for several days in May 2019. Downstream highway culverts have limited capacity so during high flow event water backs up in the stilling basin, primary spillway, and against embankment area adjacent to primary spillway and stilling basin. | S | RE | CR | NR | 36 ft | 2150 ac-ft | 46 acres | 1954 | SD00029 | NINE MILE CREEK | 43.44 | -96.6083 | 1994 | DENR | SD Dam Safety | ||||||||
MENNO DAM | SD | H | Failure | 06/12/1984 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | SD00026-3415 | Heavy rainfall on the evening of June 11, 1984 along with high reservoir levels from heavy rain in the days prior caused the dam to overtop and fail. | 0 | unknown | 1 | 1 | Other | The hog barn and approximately 450 hogs, farmstead buildings, and farm equipment associated with the downstream farm house. There was a court case over damages (Heer vs the State of South Dakota) that made it to the South Dakota Supreme Court which awarded the Heers approximately $650,000 in damages. Dam was reconstructed about 400 feet downstream of original dam site -ground breaking April 1995, dedication June 1996, and first flow through spillway March 1997. | S | RE | R | Y | 53 ft | 2050 ac-ft | 48 acres | 1935 | SD00026 | JAMES RIVER TRIBUTARY | 43.2617 | -97.6167 | 1996 | DENR | 7:00 | SD Dam Safety | |||||||||
OHIO POWER COMPANY POND MB-144 POND | OH | L | Non-failure | 01/28/2019 | Structural Stability | Abutment Failure | Landslide | OH01042-3379 | Slide in the right downstream abutment. Slide not affecting dam. | No | 0 | P | RE | T | Y | 30 ft | 72 ac-ft | 5 acres | 1968 | OH01042 | TRIBUTARY TO MANS FORK | 39.7167 | -81.7725 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | |||||||||||||
FISHER LAKE DAM | OH | S | Non-failure | 01/28/2019 | Deterioration Or Poor Condition | Spillway Riser Failure | OH01649-3380 | Principal spillway CMP riser failed due to corrosion. Water level lowered. | No | 0 | P | RE | R | N | 22 ft | 79 ac-ft | 6 acres | 1960 | OH01649 | TRIBUTARY TO CAESAR CREEK | 39.6167 | -83.8867 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||||
SPRING LAKE DAM | OH | L | Non-failure | 04/06/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | Piping | OH00207-3381 | Sinkhole developed in the crest due to bad joint in the principal spillway outlet pipe. Spillway replaced. | No | 0 | P | RE | R | N | 28 ft | 63 ac-ft | 5 acres | 1969 | OH00207 | TRIBUTARY TO CAESAR CREEK | 39.6486 | -83.8289 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||
VAN BUREN LAKE DAM | OH | S | Non-failure | 05/08/2019 | Structural Stability | Abutment Failure | Landslide | OH00450-3382 | Slide in the right downstream abutment. Repair plans are drafted. | No | 0 | S | RE | R | Y | 22 ft | 903 ac-ft | 55 acres | 1939 | OH00450 | ROCKY FORD CREEK | 41.1339 | -83.6444 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | |||||||||||||
UPPER SHAKER LAKE DAM | OH | H | Non-failure | 06/26/2019 | Seepage/internal Erosion | Sinkhole | Piping | Other | OH00353-3383 | Ongoing incident, additional movement of downstream wall along the crest and settlement of sidewalk on the crest. Most likely due to lose of fill material about masonry spillway conduit. Lake is now completely drained and waiting to be repaired. | No | 0 | L | RE | R | Y | 30 ft | 155 ac-ft | 11 acres | 1852 | OH00353 | DOAN BROOK | 41.4831 | -81.5606 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||
KINSMAN LAKE DAM | OH | S | Failure | 07/19/2019 | Hydrologic/flooding | Overtopping | OH02490-3384 | In the morning of July 19, 2019, the Kinsman Lake Dam watershed received about 6-inches of rain within 4 hours. The right end of the dam was overtopped and completely breached. | No | 0 | 60 (not downstream, limited access) | 25 (not downstream, limited access) | 0 | Roads, Bridges, Power lines/gas pipelines | $1 million to $5 million | County Engineer assisted Township to get the road reopened but did not reestablish the dam and lake. | 145.4 ac-ft | A home on the right abutment was condemned due to the proximity of the breach. The road on the dam crest dam was the only access to about 25 homes. After the dam failure, these people were evacuated from their homes by ATV. It took about 2-3 months to install culverts to create a new roadway to the homes. The lake and dam were not reestablished after the failure. | P | RE | R | Y | 23 ft | 145 ac-ft | 9 acres | 0 | OH02490 | STRATON CREEK | 41.4494 | -80.58 | 0 | DEPARTMENT OF NATURAL RESOURCES | 8:15 am | No | OH Dam Safety | |||||
SPENCER LAKE - NORTH DAM | OH | L | Non-failure | 12/20/2019 | Deterioration Or Poor Condition | Spillway Riser Failure | OH00619-3385 | The riser appears to have settled causing the joint between the riser and the outlet pipe to start leaking. Water level is lowered and monitoring. Working on repair plans. | Yes | 0 | S | RE | R | Y | 14 ft | 258 ac-ft | 30 acres | 1960 | OH00619 | TRIBUTARY TO EAST BRANCH BLACK RIVER | 41.115 | -82.0858 | 0 | DEPARTMENT OF NATURAL RESOURCES | No | OH Dam Safety | ||||||||||||||
LAKE DUNLAP DAM | TX | H | Non-failure | 05/14/2019 | Malfunction Of Equipment/gate | Gate/valve Failure | TX01602-3386 | SPILLWAY GATE FAILED | 0 | S | RE | HR | Y | 41 ft | 14330 ac-ft | 410 acres | 1928 | TX01602 | GUADALUPE RIVER | 29.654 | -98.0663 | 0 | TCEQ | TX Dam Safety | ||||||||||||||||
COTTON LAKE DAM | TX | L | Failure | 05/12/2019 | Unknown | Unknown | TX02845-3387 | 0 | P | RE | S | NR | 16 ft | 96 ac-ft | 10 acres | 1970 | TX02845 | TR-CANEY CREEK | 32.5709 | -95.9518 | 0 | TCEQ | TX Dam Safety | |||||||||||||||||
CANTRELL LAKE DAM | TX | L | Failure | 05/10/2019 | Unknown | Unknown | TX02805-3388 | 0 | P | RE | S | NR | 18 ft | 137 ac-ft | 12 acres | 1972 | TX02805 | TR-HORSLEY CREEK | 32.4586 | -95.6248 | 0 | TCEQ | TX Dam Safety | |||||||||||||||||
ROGERS LAKE DAM | TX | L | Failure | 01/03/2019 | Unknown | Unknown | TX02356-3390 | 0 | P | RE | S | NR | 20 ft | 216 ac-ft | 18 acres | 1962 | TX02356 | TR-SYPERT BRANCH | 30.9065 | -97.2317 | 0 | TCEQ | TX Dam Safety | |||||||||||||||||
SPOTSYLVANIA COUNTY DAM #9 | VA | U | Failure | 12/07/2019 | Deterioration Or Poor Condition | Spillway Pipe Failure | Excessive/increased Seepage | Erosion | VA177036-3392 | Dam loss of containment reported on 12/7/19. Failure appears due to excessive seepage and free flowing low level outlet pipe that cannot be located. Dam can refill to about 15' during storm events. | unknown | Unknown | Unknown | X | NR | 30 ft | 165 ac-ft | 13 acres | 0 | VA177036 | 38.2208 | -77.6859 | 0 | Yes | VA Dam Safety | |||||||||||||||
SPRING VALLEY LAKE DAM | VA | H | Non-failure | 05/20/2020 | Hydrologic/flooding | Overtopping | VA770002-3393 | Heavy rain resulted in overtopping | unknown | Unknown | Unknown | P | RE | R | Y | 25 ft | 80 ac-ft | 5 acres | 0 | VA770002 | ROANOKE | 37.2564 | -80.02 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
GAINES MILL DAM | VA | U | Non-failure | 06/22/2020 | Structural Stability | Spillway Erosion/head Cutting | VA085006-3394 | Spillway undermined and water flowing underneath it | unknown | Unknown | Unknown | X | RE | OR | N | 15 ft | 150 ac-ft | 27 acres | 0 | VA085006 | BLOODY RUN | 37.5877 | -77.3021 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
MAURY DAM | VA | U | Non-failure | 06/05/2020 | Structural Stability | Sinkhole | VA700004-3395 | Sinkhole reported and subsequently repaired | unknown | Unknown | Unknown | X | RE | R | N | 14 ft | 1162 ac-ft | 0 acres | 0 | VA700004 | TR-JAMES RIVER | 37.0414 | -76.4873 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | |||||||||||||
MEADOW LAKE DAM | NH | L | Non-failure | 07/29/2021 | Deterioration Or Poor Condition | Spillway Riser Failure | Sinkhole | Spillway Pipe Failure | NH00519-3440 | Corroded CMP riser and outlet created sinkhole around the riser and into the embankment. Corroded low-level outlet pipe with increased seepage. | 0 | 0 | 0 | None | Unknown | Emergency oulet was initially installed. Corroded low-level outlet failed some time after resulting in pond loss. Currently repair design is ongoing through consultant. Impoundment is lowered until repairs can be made. | S | RE | R | NR | 14 ft | 105 ac-ft | 18 acres | 1975 | NH00519 | LAMPREY RIVER | 43.201 | -71.2054 | 1991 | NHDES DAM BUREAU | Yes | NHDES DAM BUREAU | ||||||||
LOWER IPC DAM | NH | S | Non-failure | 06/22/2020 | Seepage/internal Erosion | Piping | Excessive/increased Seepage | NH00480-3441 | Two whirlpools were observed upstream of the TC spillway | No | 0 | 0 | 0 | 0 | None | Unknown | Low level gate opened until repairs were made | P | CNTC | H | Y | 16 ft | 31 ac-ft | 2 acres | 1934 | NH00480 | NEWFOUND RIVER | 43.6 | -71.748 | 1937 | NHDES DAM BUREAU | 68 days | Yes | NHDES DAM BUREAU | ||||||
FOREST LAKE DAM | NH | L | Non-failure | 07/18/2021 | Hydrologic/flooding | High Reservoir Level | Overtopping | Erosion | NH00297-3442 | Heavy rainfall resulted in overtopping of the dam causing erosion adjacent to the concrete spillway | 0 | 0 | 0 | 0 | None | Unknown | Dam was sandbagged until waters receeded | P | REST | R | NR | 8 ft | 378 ac-ft | 93 acres | 1925 | NH00297 | TR ASHUELOT RIVER | 42.7988 | -72.3697 | 0 | NHDES DAM BUREAU | 2 days | Yes | NHDES DAM BUREAU | ||||||
ASHUELOT POND DAM | NH | S | Non-failure | 07/30/2021 | Hydrologic/flooding | High Reservoir Level | NH00237-3443 | Heavy rainfall resulted in water levels at the top of the dam. | Yes | 0 | 1 | 0 | 0 | None | Unknown | Dam was almost overopped | L | RE | R | Y | 13 ft | 3588 ac-ft | 360 acres | 1872 | NH00237 | ASHUELOT RIVER | 43.1507 | -72.1569 | 1925 | NHDES DAM BUREAU | 1 day | NHDES DAM BUREAU | ||||||||
Ledoux Dam | NH | L | Non-failure | 11/05/2021 | Seepage/internal Erosion | Excessive/increased Seepage | Animal Activity | Vegetation | NH01058-3444 | Owner noted concentraed leakage midslope. | 0 | 0 | 0 | 0 | None | Unknown | Pond was pumped down until embankment could be repaired. | P | RE | R | NR | 11 ft | 9 ac-ft | 1 acres | 1936 | NH01058 | Unnamed | 43.0177 | -71.4263 | 0 | NHDES | 26 days | Yes | NHDES | ||||||
SILICA POND DAM | NH | S | Non-failure | 07/18/2021 | Hydrologic/flooding | High Reservoir Level | Overtopping | Insufficient Spillway Capacity | NH01098-3445 | Overtopping along the right-side portion of the dam. | 0 | 1 | None | Unknown | The dam owner is presently evaluating reconstruction or removal options. | L | RE | R | NR | 9 ft | 29 ac-ft | 3 acres | 1935 | NH01098 | Unnamed | 42.8227 | -72.1869 | 0 | NHDES | 1 day | NHDES | |||||||||
PELUCIA WATERSHED STRUCTURE Y-33A-01 DAM | MS | L | Non-failure | 06/10/2021 | Deterioration Or Poor Condition | MS01593-3465 | Headcut advancing in the auxiliary spillway - will eventually cut through crest to breach the lake. | N | 0 | 0 | 0 | 0 | 0 | 0 | Notified drainage district and NRCS of erosion to repair. | 1900 ac-ft | L | RE | C | N | 42 ft | 2052 ac-ft | 116 acres | 1964 | MS01593 | TR- PELUCIA CREEK | 33.4602 | -89.9398 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 9:30 PM | N | MDEQ Dam Safety | |||||||
RAYMOND SEWAGE LAGOON DAM | MS | L | Failure | 08/30/2022 | Hydrologic/flooding | Animal Activity | Vegetation | Erosion | MS01762-3466 | Erosion of backslope due to tailwater conditions and animal activity. Breached area appeared to be a collapsed animal den. | N | 0 | 0 | 0 | 0 | 0 | 0 | 36 ac-ft | L | RE | O | NR | 8 ft | 96 ac-ft | 0 acres | 0 | MS01762 | 32.2595 | -90.4113 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||
HOLMES LAKE DAM | MS | L | Failure | 01/02/2020 | Hydrologic/flooding | Foundation Deficiency | Piping | MS01794-3467 | Breach: 50 ft top and 10 ft bottom, fully drained. Tree stumps & roots visible in base of foundation. | N | 0 | 0 | 0 | 0 | 0 | 0 | 165 ac-ft | P | RE | R | NR | 18 ft | 165 ac-ft | 0 acres | 1960 | MS01794 | TR- TALLAHALLA CREEK -OS | 32.1894 | -90.3943 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | I day | Y | MDEQ Dam Safety | ||||||
BILBRO LAKE DAM | MS | L | Non-failure | 02/10/2020 | Hydrologic/flooding | Overtopping | MS02021-3468 | Overtopped from insufficient spillway capacity; cut aux spillway to the northwest side of the dam. | N | 0 | 0 | 0 | 0 | 0 | 0 | Owner had contractor cut a new spillway over natural ground to help drain and prevent failure. | P | RE | R | NR | 12 ft | 120 ac-ft | 0 acres | 1955 | MS02021 | TR- PELLAPHALIA CREEK | 32.758 | -89.5672 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | ||||||||
HALL LAKE MS02054 DAM | MS | L | Non-failure | 04/16/2021 | Deterioration Or Poor Condition | Spillway Pipe Failure | Vegetation | MS02054-3469 | 5 ft CMP failed creating sinkhole in dam. State required a controlled breach. | N | 0 | 0 | 0 | 0 | 0 | 0 | MDEQ ER team brought in contractors to lower lake level and do a controlled breach of dam. | P | RE | R | NR | 14 ft | 280 ac-ft | 0 acres | 0 | MS02054 | 30.8412 | -89.0682 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||
LAKE CAVALIER DAM | MS | H | Non-failure | 02/12/2020 | Hydrologic/flooding | Sliding | MS02274-3470 | 40 ft wide slide, 4 -5 ft to failure plane, no seepage. Covered with plastic sheeting until repaired | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | Y | 35 ft | 2530 ac-ft | 178 acres | 1954 | MS02274 | 32.4676 | -90.2262 | 2005 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Yes | MDEQ Dam Safety | ||||||||||
DOUG BRANCH POND | VA | L | Non-failure | 10/30/2020 | Structural Stability | Spillway Pipe Failure | Erosion | VA029037-3401 | Large void was observed around outlet structure, severe drop in water levels | unknown | Unknown | Unknown | S | RE | R | Y | 30 ft | 32 ac-ft | 4 acres | 0 | VA029037 | TR-JAMES RIVER | 37.6354 | -78.7944 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | ||||||||||||
CHANDLER'S MILL DAM | VA | S | Non-failure | 11/12/2020 | Hydrologic/flooding | Overtopping | VA193011-3402 | 4-5" rain event caused overtopping, stage 3 emergency | unknown | Unknown | Unknown | S | RE | R | N | 15 ft | 475 ac-ft | 0 acres | 0 | VA193011 | 38.0974 | -76.8484 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | ||||||||||||||
SPOTSWOOD DRIVE DAM | VA | L | Non-failure | 11/12/2020 | Structural Stability | Excessive/increased Seepage | Erosion | Reservoir Overfilling | VA137015-3403 | Severe erosion, partial failure, upstream inundation | unknown | Unknown | Unknown | P | RE | R | N | 35 ft | 270 ac-ft | 5 acres | 0 | VA137015 | 38.3785 | -77.7805 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Yes | VA Dam Safety | ||||||||||||
SPOTSYLVANIA COUNTY DAM #9 | VA | U | Non-failure | 11/30/2020 | Deterioration Or Poor Condition | Excessive/increased Seepage | Spillway Pipe Failure | VA177036-3404 | Pipe collapse, seepage | unknown | Unknown | Unknown | X | NR | 30 ft | 165 ac-ft | 13 acres | 0 | VA177036 | 38.2208 | -77.6859 | 0 | Yes | VA Dam Safety | ||||||||||||||||
FREEMAN DAM | VA | U | Non-failure | 09/16/2019 | Deterioration Or Poor Condition | Abutment Failure | Erosion | VA095054-3391 | Partial failure of the downstream side of the embankment (continued erosion - under grant for design of repair) | unknown | unknown | unknown | P | NR | 30 ft | 65 ac-ft | 5 acres | 0 | VA095054 | 37.2411 | -76.7003 | 0 | Yes | VA Dam Safety | ||||||||||||||||
JONES LAKE DAM | SD | H | Non-failure | 06/13/2019 | Unknown | Sinkhole | SD00758-3405 | The conduit spillway of the dam's two primary spillways had a sinkhole with seepage develop around it on the downstream side. | Yes | 0 | unknown | unknown | unknown | The county emergency manager notified residents downstream of the dam of the situation. The owner used pumps to lower the water level and put a temporary berm across the conduit inlet. | A very wet spring and early summer likely contributed to the issue. A permanent repair was done in Fall of 2019. | S | RE | R | Y | 21 ft | 1260 ac-ft | 101 acres | 1938 | SD00758 | TR-JAMES RIVER | 44.4783 | -98.9467 | 2000 | DENR | SD Dam Safety | ||||||||||
LAKE HANSON | SD | L | Failure | 05/05/2007 | Hydrologic/flooding | Spillway Erosion/head Cutting | SD00691-3416 | Approximately 8 to 10 inches of precipitation fell over a large portion of the watershed and caused operation of the earthen secondary spillway which headcut back to the reservoir. | No | 0 | unknown | unknown | unknown | There was also minor damage to the primary spillway and some erosion of the embankment due to flow from secondary. Secondary was partially repaired in June 2007. | S | RE | R | NR | 24 ft | 340 ac-ft | 0 acres | 1932 | SD00691 | TR-JAMES | 43.625 | -97.805 | 1996 | DENR | SD Dam Safety | |||||||||||
TILDEN | WI | L | Non-failure | 04/18/2019 | Hydrologic/flooding | Spillway Deficiency | Erosion | Debris Clogging | WI00341-3417 | Years ago, owner constructed a 2-3 ft high concrete section on top of spillway w/o state approval. Concrete section failed plus erosion of right abument. | No | 0 | 0 | 0 | 0 | Other | Unknown | Dam safety staff notified by local enforcement and DNR conservation warden. Contacted owner to monitor and further activate EAP if needed. | Partial failure caused flooding and damaged structures in a downstream campground. | P | PGRE | HR | N | 16 ft | 250 ac-ft | 61 acres | 1886 | WI00341 | DUNCAN CREEK | 44.9868 | -91.4184 | 1913 | WIDNR | 1 day | No | WI Dam Safety | ||||
OXBO FLOWAGE | WI | L | Failure | 04/01/2019 | Seepage/internal Erosion | Excessive/increased Seepage | Piping | WI12745-3418 | Water flowing into the embankment adjacent to the inlet of the horizontal CMP of water control structure. Water flowing through and underneath of the CMP. 10 days after initial observation, embankment was completely breached. | Yes | 0 | 0 | 0 | 0 | None | None | Owners activitated EAP and closely monitored the site. Barricaded and signed to prevent entry to public. | Remote area of wildlife area so risk was low. Completed temporary repairs by Apr 11. | S | RE | R | Y | 8 ft | 100 ac-ft | 28 acres | 0 | WI12745 | OXBO CREEK | 45.1701 | -89.4056 | 0 | WIDNR | 10 days | No | WI Dam Safety | |||||
WITTENBERG | WI | L | Non-failure | 04/19/2019 | Hydrologic/flooding | Overtopping | Erosion | Accident Or Misoperation | WI00057-3419 | Overtopping led to erosion and partial embankment failure, particularly near concrete spillway and cutoff wall. Additional seepage observed. Delay in operating gates may have contributed. | No | 0 | 0 | 0 | 0 | Roads, Bridges, Dams Downstream | $1 to $100,000 | Dam safety staff notified by local enforcement and DNR conservation warden. Contacted owner to monitor, provided FYI to downstream residents. Owner advised to further activate EAP if conditions deteriorated further. | Repairs are nearly complete which included construction of an auxiliary spillway, gate stem repairs, embankment repairs, and minor concrete repairs. | P | PGRE | R | Y | 22 ft | 360 ac-ft | 40 acres | 1885 | WI00057 | MIDDLE BRANCH EMBARRASS | 44.8411 | -89.1575 | 1908 | WIDNR | 1 day | No | WI Dam Safety | ||||
BECKMAN LAKE | WI | S | Non-failure | 08/23/2019 | Malfunction Of Equipment/gate | Other | WI00998-3420 | Wasn't a significant incident per se. Stoplog at the bottom of the riser pipe broke. Was signficant in the fact that nearly the entire impoundment needed to drain in order to complete repair. | Yes | 0 | 0 | 0 | 0 | None | None | Activated EAP by keeping necessary parties informed and implemented monitoring procedures. | Repair to stoplog has since been completed. | S | PGRE | R | Y | 21 ft | 800 ac-ft | 73 acres | 1965 | WI00998 | ZANDER CREEK | 42.5819 | -89.7745 | 0 | WIDNR | 3 days | No | WI Dam Safety | ||||||
Wolf Springs Dam #4 | WI | L | Non-failure | 11/01/2019 | Seepage/internal Erosion | Piping | Excessive/increased Seepage | Animal Activity | WI00000-3421 | Earthen embankment had not been maintained. Partial breach of earthern embankment, adjacent to one of 2 riser pipes. Original construction occurred w/o authorization by a different owner which likely contributed. | No | 0 | 0 | 0 | 0 | None | None | After inspection of the breached area, a letter was sent to owner requesting complete lowering of impoundment and directive for removal plans to be submitted | Remote area so risk is low. Dam being monitored and held in a drawn down state as they move towards removal, and potentially creating a wetland mitigation bank | L | RE | R | N | 8 ft | 125 ac-ft | 21 acres | 0 | WI00000 | Totagatic-TR | 46.1409 | -91.7505 | 0 | WI DNR | No | WI Dam Safety | |||||
GREEN LAKE DAM | TX | L | Failure | 05/19/2021 | Unknown | Unknown | TX06513-3422 | https://www.kristv.com/news/local-news/green-lake-dam-collapses-in-portland-following-severe-weather | L | CNRE | IR | NR | 35 ft | 462 ac-ft | 33 acres | 1940 | TX06513 | TR-CORPUS CHRISTI BAY | 27.88 | -97.2917 | 0 | TCEQ | TX Dam Safety | |||||||||||||||||
LAKE KIMBLE DAM | TX | L | Failure | 04/24/2022 | Unknown | Piping | TX03743-3423 | Spillway failed and lake drained. Probably piping failure as there has been a history of undermining and loss of material. No loss of life and no reported property damage | 0 | None | None | No loss of life and no reported property damage | P | RE | R | NR | 23 ft | 500 ac-ft | 119 acres | 1964 | TX03743 | KIMBALL CREEK | 30.511 | -94.4396 | 0 | TCEQ | TX DEP | |||||||||||||
TWAIN HARTE | CA | S | Non-failure | 12/23/2021 | Other | Abutment Failure | CA00649-3424 | Reports of a single loud popping sound heard at the dam site. Potential new occurrence of rock exfoliation of the dam's abutments and foundation. Two dam inspections were conducted from which no signs of recent movement or distress of the dam, abutments, or foundation were observed. Also no new signs of rock exfoliation in the abutments and foundation. Reviewed of our files and recent survey data | No | 0 | 0 | 0 | 0 | None | None | P | MV | RS | N | 36 ft | 143 ac-ft | 12 acres | 1928 | CA00649 | UNNAMED CREEK | 38.0291 | -120.244 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | |||||||||
Double U Fish Ranch | CA | H | Non-failure | 02/04/2021 | Seepage/internal Erosion | Excessive/increased Seepage | Slope Stability | CA10414-3425 | Illegally constructed dam. During filling, there was a slope failure. Seepage was observed through the embankment fill where the slope failure occurred. Owner was directed to dewater the reservoir. A siphon was installed and water stored was removed. | No | 0 | 0 | 0 | 0 | None | None | P | RE | O | N | 21 ft | 90 ac-ft | 0 acres | 2019 | CA10414 | Pit River-TR | 41.4555 | -120.901 | 0 | DWR, Safety of Dams | Yes | CA DSOD | ||||||||
IRIS LAKE DAM EAST | GA | L | Failure | 02/04/2022 | Unknown | Unknown | GA01563-3426 | Dam failed completely near PSP. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | 220 ac-ft | P | RE | R | NR | 27 ft | 292 ac-ft | 21 acres | 1960 | GA01563 | UNKNOWN | 33.4006 | -84.1161 | 0 | GA-SAFE DAMS PROGRAM | 1 day | No | GA-SAFE DAMS PROGRAM | |||||||
LAKE CAVALIER DAM | MS | H | Non-failure | 07/09/2020 | Hydrologic/flooding | Slope Stability | MS02274-3471 | Saturated conditions during a rainfall event led to a slope failure. | N | 0 | 0 | 0 | 0 | 0 | 0 | Slope failure area was cover with plastic sheeting and monitored until repairs could be completed. | P | RE | R | Y | 35 ft | 2530 ac-ft | 178 acres | 1954 | MS02274 | 32.4676 | -90.2262 | 2005 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
LAKEMONT LAKE DAM | MS | H | Failure | 01/14/2020 | Seepage/internal Erosion | Spillway Chute Failure | MS02667-3472 | Very narrow breach (8 ft) controlled flow enough to prevent innundation of downstream structures. | N | 0 | 0 | 0 | 0 | 0 | 0 | Owners/ EMA did not follow EAP. MDEQ not notified till 2 weeks after. | 115 ac-ft | P | RE | R | Y | 21 ft | 120 ac-ft | 9 acres | 1930 | MS02667 | SOWASHEE CREEK | 32.3471 | -88.6912 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | I day | Y | MDEQ Dam Safety | ||||||
LAKE TARA DAM | MS | H | Non-failure | 06/09/2021 | Hydrologic/flooding | Spillway Pipe Failure | MS03104-3473 | Failed CMP conduit caused sinkhole in the crest of the dam during 18 in/36 hr rainfall event. | Y | 0 | 50 | 20 | 0 | 0 | 0 | County and state used siphons to lower lake level until conduit was replaced. | P | RE | R | Y | 20 ft | 46 ac-ft | 5 acres | 1985 | MS03104 | UNT OF TOBY TUBBY CREEK | 34.4079 | -89.5555 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||
ALBRITTON LAKE DAM | MS | L | Non-failure | 04/05/2021 | Hydrologic/flooding | MS03326-3474 | Conduit became clogged. Caused dam to overtop, eroding downstream slope around the outlet. | N | 0 | 0 | 0 | 0 | 0 | 0 | Directed owner to clear debris, repair erosion. | 0 ac-ft | P | RE | R | NR | 33 ft | 1369 ac-ft | 80 acres | 1995 | MS03326 | UNT OF MILL CREEK | 30.9822 | -89.6875 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||
J F JACKSON LAKE DAM | MS | L | Non-failure | 04/18/2021 | Deterioration Or Poor Condition | MS03414-3475 | Sinkhole formed over collapsed 18-in PVC conduit during heavy rain. | N | 0 | 0 | 0 | 0 | 0 | 0 | Directed owner to have conduit replaced. | P | RE | R | NR | 15 ft | 226 ac-ft | 23 acres | 1998 | MS03414 | UNT OF WALNUT CREEK | 32.5909 | -89.929 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
MS04059 LAKE DAM | MS | L | Failure | 06/25/2021 | Deterioration Or Poor Condition | Vegetation | Animal Activity | Foundation Deficiency | MS04059-3476 | The dam failed in the center, near the high point of the dam. Unable to identify specific failure mode. | N | 0 | 0 | 0 | 0 | 0 | 0 | 160 ac-ft | P | RE | R | NR | 11 ft | 225 ac-ft | 31 acres | 0 | MS04059 | 30.7187 | -89.5491 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Night | Y | MDEQ Dam Safety | ||||||
LAKE TCHUKOLAHO DAM | GA | L | Failure | 05/01/2020 | Deterioration Or Poor Condition | Spillway Erosion/head Cutting | GA00165-3427 | Dam failed due to head cutting through ES. | No | 0 | 0 | 0 | 0 | Water/sewer lines | $1 to $100,000 | 2000 ac-ft | P | RE | R | NR | 16 ft | 3054 ac-ft | 285 acres | 1959 | GA00165 | COMMISSIONER CREEK | 32.8994 | -83.2869 | 0 | GA-SAFE DAMS PROGRAM | 1 day | No | GA-SAFE DAMS PROGRAM | |||||||
WRIGHT | TN | S | Failure | 04/03/2020 | Manmade Action | Debris Clogging | Excessive/increased Seepage | Overtopping | TN14112-3428 | Dam overtopped due to clogged spillway. Excessive seepage noted on field reports over the years. | No | 0 | Unknown | Unknown | 0 | Water/sewer lines | Unknown ac-ft | Staff report produced, but dam is unregulated. Infrastructure impacts - Water main ruptured | P | RE | O | NR | 25 ft | 30 ac-ft | 3 acres | 0 | TN14112 | 36.1258 | -85.2539 | 0 | 1 day | Yes | TN Dam Safety | Y | ||||||
Riondas (Flamms) Pond Dam | NJ | L | Non-failure | 09/03/2021 | Hydrologic/flooding | Overtopping | NJ00000-3429 | Inspection performed by NJ Dam Safety on September 3, 2021 revealed overtopping of dam embankment occurred causing significant erosion of downstream embankment slope and portion of crest. | TS Ida | Unknown | Unknown | Unknown | Unknown | Lake has been drained and temporary armored channel has been cut through embankment as interim measure until permanent repair or decommissioning can be completed. | P | RE | R | NR | 10 ft | 0 ac-ft | 2 acres | 0 | NJ00000 | Hackensack River | 40.945 | -73.948 | 0 | NJDEP | NJDEP | |||||||||||
BRIGHTON | MD | H | Non-failure | 06/01/2020 | Deterioration Or Poor Condition | Cracking | Excessive/increased Seepage | MD00005-3430 | Underwater leak through concrete face of buttress dam | Yes | 0 | 0 | 0 | 0 | Unknown | L | CBER | HS | Y | 82 ft | 19560 ac-ft | 800 acres | 1943 | MD00005 | PATUXENT RIVER | 39.1934 | -77.0055 | 0 | MD DAM SAFETY | Yes | MD Dam Safety | |||||||||
RUNNING HARE VINEYARD LAKE | MD | L | Non-failure | 08/04/2020 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | Erosion | MD00187-3431 | Significant headcut from overtoping near left abut | TS Isaias | No | 0 | 0 | 0 | 0 | Roads | Unknown | Lower lake level. Install temporary aggregate berm to stabilize until repaired | Access road to vinyard property damaged. MDE learned of event via social media. | P | RE | F | NR | 20 ft | 91 ac-ft | 6 acres | 1970 | MD00187 | CYPRESS SWAMP-TR | 38.5047 | -76.6134 | 1970 | MD DAM SAFETY | 17 days | Yes | MD Dam Safety | |||
Claude Johnson Dam | MD | L | Non-failure | 03/02/2020 | Seepage/internal Erosion | Spillway Pipe Failure | Piping | Sinkhole | MD00000-3432 | Owner contacted MDE, 25'x10x7' sinkhole upstream. Nearly breached | No | 0 | 0 | 0 | 0 | Unknown | Siphon installed and pool restricted until repairs | RE | R | NR | 11 ft | 28 ac-ft | 3 acres | 1960 | MD00000 | St. Marys River | 38.2835 | -76.5378 | 0 | MD Dam Safety | 3 months | No | MD Dam Safety | |||||||
Volvo Hagerstown Swm | MD | S | Non-failure | 09/01/2021 | Hydrologic/flooding | Debris Clogging | Insufficient Spillway Capacity | Overtopping | MD00581-3433 | Undersized spillway, partially plugged, resulted in minor overtopping and emergency response | Hurricane Ida | Yes | 0 | Unknown | 1 | 0 | Unknown | Emergency pumping and partial removal of riser to clear blockage | P | RE | C | Y | 10 ft | 48 ac-ft | 0 acres | 1961 | MD00581 | Antietam Creek-TR | 39.675 | -77.723 | 0 | MD Dam Safety | 4:51 PM | Yes | MD Dam Safety | |||||
SCOTIA LOG POND | CA | H | Non-failure | 02/04/2021 | Seepage/internal Erosion | Excessive/increased Seepage | CA00504-3434 | Owner reported seepage at the toe of the dam. Investigation found decayed stumps in the area where seepage was observed. | No | 0 | 0 | 0 | 0 | None | None | Reservoir elevaiton lowered back to its restricted elevation, 2.7' below the drop inlet spillway. | L | RE | ST | N | 24 ft | 210 ac-ft | 30 acres | 1910 | CA00504 | TR EEL RIVER | 40.4786 | -124.108 | 0 | DWR, SAFETY OF DAMS | Yes | CA DSOD | ||||||||
BISHOP CREEK DAM | NV | H | Non-failure | 08/31/2021 | Seismic | Other | Debris Clogging | NV00050-3435 | Magnitude 4.7 earthquake approximately ## miles to the south shook most the upstream concrete face off of the dam and collapsed the outlet control structure. Debris from damage is blocking the approach to the outlet. | No | State employees made a site visit the following day (9/1) to investigate dam. | Reservoir has been under state order to remain drained since near failure due to large seeps and downstream slope failure in 1984. | P | CNRE | CIR | Y | 80 ft | 28250 ac-ft | 930 acres | 1912 | NV00050 | BISHOP CREEK | 41.2556 | -114.913 | 0 | NEVADA DWR | 11:21 | No | ||||||||||||
SILICA POND DAM | NH | S | Failure | 07/01/2022 | Deterioration Or Poor Condition | Gate/valve Failure | NH01098-3446 | Failure of the low level gate resulted in the release of the impoundment. The release was gradual, and it is understood that downstream economic loss was not inflicted. | 0 | 0 | 0 | 0 | None | Unknown | 4 ac-ft | The dam owner is presently evaluating reconstruction or removal options. | L | RE | R | NR | 9 ft | 29 ac-ft | 3 acres | 1935 | NH01098 | Unnamed | 42.8227 | -72.1869 | 0 | NHDES | 1 day | NHDES | ||||||||
RITO HONDO | CO | S | Non-failure | 07/08/2020 | Seepage/internal Erosion | Excessive/increased Seepage | CO00778-3447 | Yes | 0 | 0 | 0 | 0 | S | RE | FR | Y | 50 ft | 766 ac-ft | 41 acres | 1956 | CO00778 | RITO HONDO | 37.8914 | -107.176 | 0 | DWR | 5 days | Yes | ||||||||||||
MILLION RESERVOIR | CO | H | Non-failure | 10/07/2020 | Seepage/internal Erosion | Excessive/increased Seepage | Overtopping | CO00776-3448 | USFS Initiated level 2 EAP based on reports of seepage and overtopping. State of CO Engineers mobilized to site and found non-emergency situation. | Yes | 0 | 0 | 0 | 0 | F | RE | IR | Y | 25 ft | 240 ac-ft | 0 acres | 1953 | CO00776 | DITCH FROM MILL CREEK | 37.6226 | -106.67 | 2009 | DWR | 9:30 AM | 3 hours | No | CO DWR | ||||||||
JOHNSTOWN | CO | H | Non-failure | 09/25/2020 | Manmade Action | Accident Or Misoperation | Excessive/increased Seepage | CO01772-3449 | Yes | 0 | 0 | 0 | 0 | L | RE | S | Y | 16 ft | 258 ac-ft | 34 acres | 1953 | CO01772 | BIG THOMPSON RIVER-OS | 40.3375 | -104.959 | 0 | DWR | 11:50 AM | 2 days | Yes | CO DWR | |||||||||
ECHO CANYON | CO | S | Non-failure | 10/20/2020 | Structural Stability | Cracking | CO01055-3450 | No | 0 | 0 | 0 | 0 | S | RE | FR | Y | 82 ft | 3063 ac-ft | 118 acres | 1969 | CO01055 | ECHO CANYON | 37.2074 | -107 | 0 | DWR | 9:00 AM | 1 month | Yes | |||||||||||
DILLON | CO | H | Non-failure | 08/17/2021 | Malfunction Of Equipment/gate | Gate/valve Failure | CO02005-3450 | No | 0 | 0 | 0 | 0 | L | RE | HRS | Y | 310 ft | 305000 ac-ft | 3300 acres | 1963 | CO02005 | BLUE CREEK | 39.6217 | -106.062 | 0 | DWR | 11:00 AM | 2 hours | No | |||||||||||
SUNNY LAKE DAM | OH | L | Non-failure | 04/01/2021 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00673-3451 | Sinkhole over principal spillway | No | Sent staff several times. Owner was able to draw the water level down and eventually replace the spillway. | L | RE | R | N | 10 ft | 350 ac-ft | 63 acres | 0 | OH00673 | TRIBUTARY TO AURORA BRANCH OF CHAGRIN RIVER | 41.2981 | -81.3153 | 0 | DEPARTMENT OF NATURAL RESOURCES | 2-3 days | No | OH Dam Safety | ||||||||||||
UPPER SHAKER LAKE DAM | OH | H | Non-failure | 07/29/2021 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | OH00353-3452 | Sinkhole over principal spillway | No | Sent staff to observe sinkhole. Dam was already drained from previous incidents. Directed owner to partially breach dam until dam can be brought into full compliance. | L | RE | R | Y | 30 ft | 155 ac-ft | 11 acres | 1852 | OH00353 | DOAN BROOK | 41.4831 | -81.5606 | 0 | DEPARTMENT OF NATURAL RESOURCES | 2-3 days | No | OH Dam Safety | ||||||||||||
TUSCARAWAS RIVER DIVERSION DAM | OH | H | Non-failure | 07/08/2021 | Seepage/internal Erosion | Other | OH00485-3453 | Cloudy flow from drain under RCC overtopping protection | No | Cloudy flow was found to be iron ochre. Owner cleaned out and cameraed toe drain. | S | RE | R | Y | 26 ft | 1740 ac-ft | 83 acres | 1956 | OH00485 | TUSCARAWAS RIVER | 41.0117 | -81.515 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | No | OH Dam Safety | |||||||||||||
LAKE FOREST ESTATES DAM | OH | S | Non-failure | 07/01/2021 | Deterioration Or Poor Condition | Spillway Riser Failure | Sinkhole | OH02447-3454 | Sinkhole around spillway riser. Poor connection between riser and low flow inlet | No | Currently under enforcement. Owner has kept pool low. | P | RE | R | Y | 21 ft | 58 ac-ft | 2 acres | 0 | OH02447 | TRIBUTARY TO BRANDYWINE CREEK | 41.2875 | -81.4819 | 0 | DEPARTMENT OF NATURAL RESOURCES | Yes | OH Dam Safety | |||||||||||||
Buckeye Water District Reservoir II | OH | H | Non-failure | 07/01/2021 | Seepage/internal Erosion | Excessive/increased Seepage | OH03216-3455 | Excessive Seepage upon first filling | No | Owner added toe drain and interior clay liner | Owner added toe drain and interior clay liner | L | RE | S | Y | 38 ft | 8035 ac-ft | 4 acres | 2020 | OH03216 | Stream Little Yellow Creek-OS | 40.6394 | -80.6786 | 0 | DEPARTMENT OF NATURAL RESOURCES | 6 months | Yes | OH Dam Safety | ||||||||||||
WEST RESERVOIR DAM | OH | H | Non-failure | 10/01/2021 | Seepage/internal Erosion | Excessive/increased Seepage | Other | OH00585-3456 | Seepage coming out around spillway side wall due to clogged underdrain outlet | No | Owner cleaned out spillway drain and seepage around spillway side wall stopped | S | RE | S | Y | 21 ft | 8796 ac-ft | 900 acres | 1840 | OH00585 | TRIBUTARY TO TUSCARAWAS RIVER | 40.9978 | -81.5439 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | No | OH Dam Safety | ||||||||||||
PANBOWL LAKE | KY | S | Non-failure | 03/02/2021 | Hydrologic/flooding | Excessive/increased Seepage | Slope Stability | KY00108-3457 | Slope failure due to seepage from river back into reservoir due to high river levels | No | Unknown | Unknown | Unknown | S | ER | R | Y | 46 ft | 6200 ac-ft | 98 acres | 1961 | KY00108 | N. FORK KENTUCKY RIVER | 37.5584 | -83.3696 | 0 | KY DIVISION OF WATER | Yes | KY Dam Safety | |||||||||||
MS04127 LAKE DAM | MS | U | Non-failure | 04/16/2021 | Hydrologic/flooding | MS04127-3477 | Undersized Aux clogged with vegetation, lead to overtopping. Flow caused headcut below outfall. | N | 0 | 0 | 0 | 0 | 0 | 0 | Directed owner to clear and widen aux. spillway. | 0 ac-ft | P | RE | R | NR | 10 ft | 79 ac-ft | 12 acres | 0 | MS04127 | 30.6417 | -89.7075 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
MS04462 LAKE DAM | MS | U | Non-failure | 02/11/2020 | Hydrologic/flooding | Overtopping | MS04462-3478 | Blockage of primary caused dam to overtop; substantially scoured and eroded backslope of dam. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | NR | 9 ft | 62 ac-ft | 10 acres | 0 | MS04462 | 32.8335 | -90.3566 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||||
BIDDLE LAKE DAM | MS | L | Non-failure | 02/28/2020 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | MS04513-3479 | 1 of 3 culverts blocked. The loss of capacity lead to overtopping of the dam, eroding backslope. | Y | 0 | 0 | 0 | 0 | 0 | 0 | Collum contacted the Tombigbee River Valley Water Management District about repairs as they had previously repaired the structure. | P | RE | R | N | 17 ft | 98 ac-ft | 7 acres | 0 | MS04513 | 34.1555 | -88.4259 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | ||||||||
EASTHAVEN LAKE DAM | MS | H | Non-failure | 08/24/2022 | Hydrologic/flooding | Debris Clogging | Overtopping | MS05532-3480 | Overtopped after the primary spillway clogged and the watershed received ~3-4 inches in 24-hr period. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | N | 16 ft | 57 ac-ft | 6 acres | 0 | MS05532 | 32.2844 | -89.9745 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
MS05688 LAKE DAM | MS | L | Non-failure | 04/06/2021 | Hydrologic/flooding | MS05688-3481 | Headcutting at the auxilary spillway approx. 30 feet from the dam. The headcut is approx. 15 feet deep. | N | 0 | 0 | 0 | 0 | 0 | 0 | Owner directed to take actions to lower water level in dam to dry spillway so a contractor can backfill and repair. | P | RE | R | NR | 18 ft | 235 ac-ft | 19 acres | 0 | MS05688 | 34.5871 | -89.3807 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | ||||||||||
MS06876 LAKE DAM | MS | U | Failure | 04/12/2020 | Hydrologic/flooding | Overtopping | Foundation Deficiency | MS06876-3482 | Overtopping during rainfall event (8 in in 24 hrs) leading to headcut erosion through width of dam. | N | 0 | 0 | 0 | 0 | 0 | 0 | 131 ac-ft | P | RE | R | NR | 29 ft | 131 ac-ft | 7 acres | 0 | MS06876 | 32.8735 | -89.4027 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 1 day | N | MDEQ Dam Safety | |||||||
Jones Lake Dam | MS | L | Non-failure | 08/24/2022 | Hydrologic/flooding | Overtopping | MS03657-3483 | Overtopped from insufficient spillway capacity. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | NO | 0 ft | 0 ac-ft | 0 acres | 0 | MS03657 | UNT OF INDIAN CREEK | 0 | -90.1275 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
Jennings Lake Dam #1 | MS | L | Failure | 02/05/2020 | Hydrologic/flooding | Animal Activity | Overtopping | Insufficient Spillway Capacity | MS00000-3484 | Spillways blocked by beaver dams; overtopped dam, eroding crest & backslope. Full loss. | N | 0 | 0 | 0 | 0 | 0 | 0 | 20 ac-ft | P | RE | R | NO | 0 ft | 0 ac-ft | 4 acres | 0 | MS00000 | 31.8278 | -89.4628 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 10:00 AM | 1 day | Y | MDEQ Dam Safety | |||||
Jennings Lake Dam #2 | MS | L | Non-failure | 02/05/2020 | Hydrologic/flooding | Animal Activity | Overtopping | Insufficient Spillway Capacity | MS00000-3485 | Spillways blocked by beaver dam construction, so the dam was actively overtopping. Did not fail. | N | 0 | 0 | 0 | 0 | 0 | 0 | After contact with owner, beaver dams were cleared weeks after overtopping incident. | P | RE | R | NO | 0 ft | 0 ac-ft | 4 acres | 0 | MS00000 | 31.8292 | -89.4622 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | |||||||
Dunn Lane Dam | MS | L | Non-failure | 01/11/2020 | Deterioration Or Poor Condition | Vegetation | MS00000-3486 | Fallen tree during tornado, rootball in dam. Lowered water, excavate, backfill and compact. | N | 0 | 0 | 0 | 0 | 0 | 0 | P | RE | R | NO | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 34.9097 | -89.8342 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||||
Murphy Road Dam | MS | L | Non-failure | 01/28/2020 | Deterioration Or Poor Condition | Sinkhole | MS00000-3487 | Sinkholes identified and would lead to failure. Owner ordered to repair. | N | 0 | 0 | 0 | 0 | 0 | 0 | EMA agreed to contact landowner regarding necessary repairs. | P | RE | R | NO | 0 ft | 0 ac-ft | 3 acres | 0 | MS00000 | 32.3661 | -88.77 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||
Blanche Street Pond Dam | MS | Failure | 02/10/2020 | Seepage/internal Erosion | Piping | MS00000-3488 | Dam next to Town Creek; water backflowing from the creek into the pond through a piping failure. | N | 0 | 0 | 0 | 0 | 0 | 0 | Worked with EMA and responders to plug the piping failure until permanent repairs could be made. | P | RE | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 0 | 0 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 1 day | Y | MDEQ Dam Safety | |||||||||||
Klepzig Lake Dam | MS | L | Non-failure | 03/30/2021 | Deterioration Or Poor Condition | Excessive/increased Seepage | MS00000-3489 | Multiple areas of flow coming through dam, owner instructed to contract for repair. | N | 0 | 0 | 0 | 0 | 0 | 0 | RE | F | NO | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 0 | 0 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | |||||||||||
Fogg Rd. Dam | MS | L | Non-failure | 04/06/2021 | Hydrologic/flooding | Overtopping | Debris Clogging | Animal Activity | MS00000-3490 | Dam was over topping and the spillway was blocked by a beaver dam. | N | 0 | 0 | 0 | 0 | 0 | 0 | R, F | NO | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 0 | 0 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | N | MDEQ Dam Safety | ||||||||||
Hinds - Clinton - Linda Drive NOI | MS | L | Non-failure | 03/29/2021 | Seepage/internal Erosion | Excessive/increased Seepage | MS00000-3491 | Seepage in two locations on downstream slope. | N | 0 | 0 | 0 | 0 | 0 | 0 | HOA bringing in contractor to address repairs. | RE | R | NO | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 32.3631 | -90.3247 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | Y | MDEQ Dam Safety | ||||||||||
Lauderdale - Meridian - Hwy 19 NOI | MS | S | Failure | 03/25/2021 | Deterioration Or Poor Condition | Overtopping | Vegetation | Animal Activity | MS00000-3492 | Dam overtopped, dozens of animal burrows, activated spillway with erosion during heavy rain. | N | 0 | 0 | 0 | 0 | 0 | 0 | 32 ac-ft | RE | R | 0 ft | 0 ac-ft | 0 acres | 0 | MS00000 | 32.3658 | -88.6514 | 0 | MS DEPARTMENT OF ENVIRONMENTAL QUALITY | 6:30 PM | N | MDEQ Dam Safety | ||||||||
DRY CREEK DIVERSION | ID | L | Non-failure | 04/24/2021 | Unknown | Unknown | ID00544-3493 | The failure of a diversion canal resulted in an uncontrolled release of water from a High Hazard Dam; however, the dam itself suffered no damages. Had the uncontrolled release of water not been stopped, it is possible the erosive head-cut in the canal would have migrated into the reservoir. The canal breach was not witnessed during its initial failure; therefore, the mechanism(s) responsible for failure must necessarily be speculated. | No | 0 | 0 | 0 | Roads | Unknown | P | RE | I | NR | 34 ft | 77 ac-ft | 6 acres | 1976 | ID00544 | DRY CREEK | 44.0864 | -116.553 | 2014 | IDWR | Yes | IDWR | Y | |||||||||
WAXHOMA | OK | H | Failure | 05/19/2021 | Seepage/internal Erosion | Spillway Chute Failure | OK10731-3494 | Spillway chute constructed on fill undermined. Spillway chute collapsed on upstream side | Yes | 0 | 0 | 0 | 0 | Other | USACE supplied high capacity pump, city and county placed rock in void to slow failure | Unknown ac-ft | Water supply affected, economic damages limited to dam itself | L | RE | S | Y | 50 ft | 2900 ac-ft | 140 acres | 1955 | OK10731 | TR-DOG THRESHER CR | 36.554 | -96.1164 | 0 | OWRB | Investigation | OWRB | |||||||
NEW BEGGS | OK | S | Non-failure | 06/01/2022 | Hydrologic/flooding | Insufficient Spillway Capacity | Overtopping | OK11078-3495 | Extreme rainfall event exceeded spillway capacity and overtopped dam, severe erosion on DS slope | No | 0 | 0 | 0 | 0 | Water/sewer lines | Unknown | City found damage weeks later, a pilot channel was dug in aux spillway to lower reservoir | Water distribution system, access roads damaged | L | RE | S | NR | 43 ft | 1424 ac-ft | 54 acres | 1965 | OK11078 | TR-ADAMS CREEK | 35.742 | -96.0256 | 0 | OWRB | Investigation | OWRB | ||||||
MILLET SWALE | AZ | H | Failure | 07/24/2021 | Malfunction Of Equipment/gate | High Reservoir Level | Piping | Animal Activity | AZ00059-3492 | Heavy, localized monsoon activity resulted in rapid inflow to the reservoir. Continuous leak erosion/piping possbly along a defect in the embankment such as a crack or animal burrow. No corrective actions were taken at the dam when the leak was first detected. The gate was not completely open and is believed to have malfunctioned. A leak was observed from the lower portion of the downstream slope which eventually developed into a full breach, approximately 50-60 feet wide. | No | 0 | Unknown | Unknown | Unknown | Unknown | Unknown | Dam owner did not notify the State agency of the leak at the downstream face. State employee from the area heard about the incident and the State contacted the owner who confirmed the leak from the dam. State agency was notified in the evening of July 25, 2021 of full breach of the dam. | 990 ac-ft | Site visit on July 26, 2021 with representatives from state agency, the owner, and Navajo County Flood Control. A plan of action was developed where it was agreed the next steps would be to stabilize the breach with riprap and install ALERT gages both at the breach and upstream. | P | RE | CI | N | 35 ft | 2800 ac-ft | 125 acres | 1958 | AZ00059 | MILLET SWALE | 34.4306 | -110.041 | 0 | ADWR | 7:00 PM | Hours | No | ADWR | ||
LAKE MONROE DAM | VA | H | Failure | 01/05/2022 | Deterioration Or Poor Condition | Spillway Pipe Failure | Spillway Riser Failure | VA099006-3493 | 0 | 5 | 0 | 5 homes evacuated | P | RE | R | Y | 40 ft | 607 ac-ft | 25 acres | 0 | VA099006 | TR-KEYS RUN | 38.2694 | -77.2068 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | DEPARTMENT OF CONSERVATION AND RECREATION | |||||||||||||
CHANDLER'S MILL DAM | VA | S | Failure | 01/17/2022 | Deterioration Or Poor Condition | Erosion | Overtopping | VA193011-3494 | 0 | S | RE | R | N | 15 ft | 475 ac-ft | 0 acres | 0 | VA193011 | 38.0974 | -76.8484 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | DEPARTMENT OF CONSERVATION AND RECREATION | |||||||||||||||||
MCIVER DAM | VA | U | Failure | 03/21/2022 | Deterioration Or Poor Condition | Spillway Pipe Failure | Spillway Riser Failure | VA065006-3495 | 0 | P | RE | R | N | 23 ft | 93 ac-ft | 0 acres | 1969 | VA065006 | SPRING GARDEN CREEK | 37.7263 | -78.2871 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | DEPARTMENT OF CONSERVATION AND RECREATION | ||||||||||||||||
Afton Drive/Chappell Creek Dam | VA | U | Failure | 08/19/2021 | Deterioration Or Poor Condition | Erosion | Overtopping | VA149027-3496 | 0 | P | RE | F | N | 7 ft | 103 ac-ft | 9 acres | 0 | VA149027 | Chappell Creek | 37.2835 | -77.2109 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | |||||||||||||||||
GLEN LOCH | WI | H | Non-failure | 12/15/2021 | Deterioration Or Poor Condition | Other | WI00034-3497 | Plug in abandoned 24-inch wasteway pipe failed. | Yes | 0 | 0 | 0 | None | None | Owner notified Emergency Management and DNR that they were monitoring. | L | PG | RS | Y | 37 ft | 1000 ac-ft | 45 acres | 1875 | WI00034 | DUNCAN CREEK | 44.9569 | -91.3998 | 1959 | WIDNR | 1 day | Yes | WIDNR | ||||||||
EASTON | WI | L | Failure | 10/07/2021 | Malfunction Of Equipment/gate | Debris Clogging | Gate/valve Failure | WI00093-3498 | Firewood stuck in gate resulted in cracked gate pedestal and damage to gate and frame. Drained lake. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 130 ac-ft | L | PGRE | R | Y | 19 ft | 305 ac-ft | 24 acres | 1855 | WI00093 | CAMPBELL CREEK | 43.839 | -89.8064 | 1909 | WIDNR | 1 day | Yes | WIDNR | ||||||
STRUM | WI | L | Failure | 02/06/2021 | Malfunction Of Equipment/gate | Gate/valve Failure | WI00210-3499 | Stoplogs in in right bay broke and caused uncontrolled flow. Likely due to ice damage. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 100 ac-ft | L | PGRE | CR | Y | 19 ft | 430 ac-ft | 54 acres | 1937 | WI00210 | BUFFALO | 44.5548 | -91.3923 | 0 | WIDNR | 1 day | Yes | WIDNR | |||||||
WAUPEE DAM | WI | L | Failure | 07/14/2020 | Hydrologic/flooding | Erosion | Other | WI00673-3500 | Heavy rains during construction project contributed to issue. | Yes | 0 | 0 | 0 | 0 | Roads | $100,000 to $500,000 | Dam owner notified sheriff and sheriff checked on D/S properties and notified property owners. | 119 ac-ft | F | RE | F | NR | 11 ft | 562 ac-ft | 95 acres | 1944 | WI00673 | WAUPEE CREEK | 45.2317 | -88.3805 | 0 | WIDNR | 1 day | Yes | WIDNR | |||||
ORMSBY | WI | L | Failure | 07/28/2020 | Hydrologic/flooding | Overtopping | Erosion | WI00691-3501 | 7+ inch 24 hr rainfall caused dam to overtop, which induced breach of the left embankment. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 125 ac-ft | P | PGRE | R | Y | 12 ft | 125 ac-ft | 24 acres | 1901 | WI00691 | WEST BRANCH EAU CLAIRE | 45.2569 | -89.2486 | 1950 | WIDNR | 1 day | Yes | WIDNR | ||||||
WARZYN | WI | L | Failure | 05/20/2021 | Deterioration Or Poor Condition | Spillway Pipe Failure | WI00970-3502 | Impounded water flowed through corroded joint at riser/outlet interface. | Yes | 0 | 0 | 0 | 0 | None | $1 to $100,000 | Owner notified downstream neighbor immediately. | 30 ac-ft | P | PGRE | R | N | 25 ft | 100 ac-ft | 6 acres | 1974 | WI00970 | URNUS CREEK | 42.9096 | -89.9476 | 0 | WIDNR | 1 day | Yes | WIDNR | ||||||
MONTELLO | WI | L | Non-failure | 10/13/2021 | Structural Stability | Erosion | Foundation Deficiency | Settlement | WI01015-3503 | Training wall downstream of gates consisting of dry-laid stone blocks exhibiting settlement. | No | 0 | 0 | 0 | None | None | Owner reduced flow through gates; DNR issued order for repair. | S | OTPG | O | Y | 13 ft | 19000 ac-ft | 2210 acres | 1922 | WI01015 | FOX | 43.7857 | -89.3287 | 0 | WIDNR | 1 day | Yes | WIDNR | ||||||
Marple | WI | Failure | 05/27/2020 | Unknown | Debris Clogging | Animal Activity | WI12749-3504 | Exact cause unknown, but likely beaver activity clogged spillway leading to embankment failure. | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI12749 | 0 | 0 | 0 | WIDNR | 1 day | Yes | WIDNR | |||||||||||||
COLUMBIA EMBANKMENT AND CANAL SPILLWAY | SC | S | Failure | 10/04/2015 | Malfunction Of Equipment/gate | Debris Clogging | Insufficient Spillway Capacity | Overtopping | SC01064-3505 | Breach of 125 yr old canal dike due to debris stuck beneath canal headgates prevent gate closure. Canal embankment overtopped and failed. | Hurricane Joaquin | Yes | 0 | 0 | 0 | 0 | None | $50 million to $100 million | Temp water supply pipes & pumps. Cofferdam across canal. Installed bulkheads upstream of headgates. | No impact to Infracture. Loss of hydropower Threatened loss to municiple water supply. | L | REST | HS | Y | 8 ft | 800 ac-ft | 265 acres | 1882 | SC01064 | BROAD | 34.0333 | -81.0665 | 0 | FERC | 8:00 PM | Yes | ASDSO Decade Dam Series | |||
FONTENELLE | WY | H | Non-failure | 09/04/1965 | Seepage/internal Erosion | Piping | WY01389-3506 | Fontenelle Dam nearly failed on first filling in 1965. The embankment materials were placed directly over open joints in the right abutment. After a large spring runoff event, seepage from the reservoir worked its way through these joints and into the right abutment of the embankment dam. Massive sloughing occurred and within 12 hours 10,000 cubic yards of material were eroded away. | Unknown | 0 | Other | The engineers opened the large outlet works full open lowering the reservoir 4 feet per day. This was the only thing that saved the dam from failing | Flooding downstream with outlet works at full capacity. | F | RE | FHRS | Y | 139 ft | 405160 ac-ft | 8058 acres | 1963 | WY01389 | GREEN RIVER | 42.0286 | -107.867 | 1989 | SEO | 7:00 PM | 12 Days | Yes | ASDSO Decade Dam Series | |||||||||
SWEETWATER MAIN | CA | H | Failure | 01/30/1916 | Hydrologic/flooding | Overtopping | CA00775-3507 | Between mid-January to Jan 30th more than 20 inches of rain fell. 10+ inches fell during the last week of January alone. Then, on January 30, 1916, Sweetwater Dam was overtopped by 3.5 feet when 45,000 cfs flowed into the reservoir. The hybrid earth embankments constructed after the 1895 flood to protect the abutments were washed out. Without the protection, the abutments breached. The North abutment breach was 90 feet long and 45 feet deep. The south abutment breah was 20 feet long and 40 feet deep. | 8 | Railroads | $1 million to $5 million | 8 people were killed and $3M ($68M today) damage was caused downstream, especially to (Sweetwater Co.) pipelines, railway tracks and electric utility lines | U | PG | ST | Y | 112 ft | 27689 ac-ft | 936 acres | 1888 | CA00775 | SWEETWATER RIVER | 32.6921 | -117.008 | 0 | DWR, SAFETY OF DAMS | ASDSO Decade Dam Failures | Y | ||||||||||||
CONOWINGO | MD | H | Non-failure | 01/19/1996 | Hydrologic/flooding | High Reservoir Level | Debris Clogging | MD00097-3508 | Difficult operation due to rapid runoff (rain on snow) and ice jams. | Yes | EAP activated for the first time in 60 years of operation since reservoir level couldn't be controlled. | U | CNPG | HRS | Y | 94 ft | 310000 ac-ft | 8563 acres | 1928 | MD00097 | SUSQUEHANNA RIVER | 39.661 | -76.1735 | 1978 | MD DAM SAFETY | Yes | ASDSO Decade Dam Series | |||||||||||||
MAMMOTH DAM | UT | H | Failure | 06/24/1917 | Other | Overtopping | UT00000-205 | Dam overtopped scouring away the downstream shell and toppling of the center concrete wall. | 0 | UNKNOWN | UNKNOWN | UNKNOWN | Railroads | $1 million to $5 million | 11000 ac-ft | Faulty Construction. earth-fill over a buttressed concrete core; designed to be heightened in 10-foot steps; by late 1915, its height had reached 67 feet Denver & Rio Grande Railroad, Roads, Bridges, other utilities damaged https://damfailures.org/case-study/mammoth-dam-utah-1917/ | P | RECN | I | 67 ft | 0 ac-ft | 0 acres | 0 | UT00000 | GOOSEBERRY CREEK | 39.7157 | -111.299 | 0 | YES | |||||||||||
LEISURE LAKE | TN | H | Failure | 02/21/2023 | Seepage/internal Erosion | Excessive/increased Seepage | Spillway Pipe Failure | Other | TN07107-3509 | Principal spillway was abandoned improperly without engineering oversight. Flow around plug led to failure of old spillway pipe. Portion of upstream slope eroded as a result; lake completely dewatered. | No | 0 | 0 | 0 | 0 | None | Unknown | Owner notified Safe Dams staff hours after failure. Failure was confined to spillway conduit, so impacts were limited. | 50 ac-ft | P | RE | R | Y | 32 ft | 83 ac-ft | 6 acres | 1999 | TN07107 | TRIBHOUSTON BRANCH | 35.0292 | -88.2458 | 0 | TENN SAFE DAMS PRG | 1 day | Yes | TN Safe Dams | Y | |||
McDonald Farm Dam | TN | L | Non-failure | 02/27/2023 | Seepage/internal Erosion | Other | TN00000-3510 | Abandoned spillway conduit failed. Seepage around concrete plug and internal erosion led to significant subsidence on the crest and upstream slope. | No | 0 | 0 | 0 | 0 | None | Unknown | Hamilton County notified Safe Dams 1 day after event. | Safe Dams program became aware of dam in 2022 after property was purchased by Hamilton County. GeoSyntec had been hired to look at rehabilitation options. | L | RE | N | 0 ft | 0 ac-ft | 0 acres | 0 | TN00000 | 35.4271 | -85.1073 | 0 | 1 day | No | TN Safe Dams | Y | ||||||||
EDENVILLE | MI | H | Failure | 05/19/2020 | Hydrologic/flooding | Slope Stability | High Reservoir Level | MI00549-3511 | In the IFT’s opinion, the most plausible principal mechanism for the failure of Edenville Dam, supported by strong evidence, is static liquefaction (flow) instability of saturated, loose sands in the downstream section of the embankment. The record lake level at the time of the failure and the duration of high water levels almost certainly contributed to the static liquefaction instability failure. | Yes | 0 | 10000 | 3000 | 3000 | Dams Downstream | over $100 million | See IFT Report | 66200 ac-ft | According to the 2020 major disaster declaration request by the State (Michigan 2020), the damage across a five-county area was estimated at roughly $190 million in losses for residents. Over 3,000 homes were affected, and there was $55 million in damage to public infrastructure. | P | PGRE | CH | Y | 54 ft | 66200 ac-ft | 2600 acres | 1925 | MI00549 | TITTAWABASSEE RIVER | 43.8142 | -84.3769 | 0 | MICHIGAN DEQ | Yes | 2022 IFT Report | Y | ||||
SANFORD | MI | H | Failure | 05/19/2020 | Hydrologic/flooding | Overtopping | MI00550-3512 | The failure was the result of embankment overtopping. The breach outflows from Wixom Lake after the failure of Edenville Dam caused the water level in Sanford Lake to rise more quickly than could be accommodated by the spillways at Sanford Dam. | Yes | 0 | 11000 | 3000 | 3000 | Roads | over $100 million | See IFT Report | 15000 ac-ft | According to the 2020 major disaster declaration request by the State (Michigan 2020), the damage across a five-county area was estimated at roughly $190 million in losses for residents. Over 3,000 homes were affected, and there was $55 million in damage to public infrastructure. | P | CNMV | H | Y | 36 ft | 15000 ac-ft | 1526 acres | 1925 | MI00550 | TITTAWABASSEE RIVER | 43.6769 | -84.3803 | 0 | MICHIGAN DEQ | Yes | 2022 IFT Report | Y | |||||
SECORD | MI | H | Non-failure | 05/19/2020 | Hydrologic/flooding | High Reservoir Level | MI00547-3513 | High reservoir levels from the same flood that caused the Edenville and Sanford failures. See attached IFT Report for those failures. | Yes | 0 | See IFT Report | P | PG | CH | Y | 57 ft | 15000 ac-ft | 1100 acres | 1925 | MI00547 | TITTAWABASSEE RIVER | 44.0411 | -84.3419 | 0 | MICHIGAN DEQ | Yes | 2022 IFT Report | Y | ||||||||||||
SMALLWOOD | MI | H | Non-failure | 05/19/2020 | Hydrologic/flooding | High Reservoir Level | MI00548-3514 | High reservoir levels from the same flood that caused the Edenville and Sanford failures. See attached IFT Report for those failures. | Yes | 0 | See IFT Report | P | PGRE | CH | Y | 36 ft | 9000 ac-ft | 500 acres | 1925 | MI00548 | TITTAWABASSEE RIVER | 43.9586 | -84.3361 | 0 | MICHIGAN DEQ | Yes | 2022 IFT Report | Y | ||||||||||||
WRIGHT | TN | S | Failure | 04/03/2020 | Seepage/internal Erosion | Spillway Erosion/head Cutting | Excessive/increased Seepage | TN14112-3516 | Poorly constructed dam with excessive seepage noted previously. In addtion, spillway flow had been noted headcutting left abutment and toe of the dam. Combination of these factors led to complete failure during heavy rain event. | No | 0 | Unknown | Unknown | 0 | Roads | Also impacts to water and sewer lines. | 30 ac-ft | Putnam Co. EMA initiated limited evacuations and road closures. | P | RE | O | NR | 25 ft | 30 ac-ft | 3 acres | 0 | TN14112 | 36.1258 | -85.2539 | 0 | 1 day | Yes | TN Safe Dams | Y | ||||||
MCCLOUD | CA | H | Non-failure | 12/14/2022 | Unknown | Other | CA00416-3517 | Cracked weld observed on 30-inch bypass pipeline - bypass branches off from 7-ft downstream of low level outlet; controlled by 30" butterfly valve guard gate and 24" Howell bunger valve. Crack is ~20" length, from 2 to 5 o'clock, u/s of guard valve flange. Spray of pressurized water from crack. | No | 0 | 0 | 0 | None | None | Owner responded quickly upon noticing the cracked pipe and notified state and federal regulators. A temporary repair was completed 12/28/22. | P | RE | H | Y | 241 ft | 35234 ac-ft | 520 acres | 1965 | CA00416 | MCCLOUD RIVER | 41.1309 | -122.071 | 0 | DWR, SAFETY OF DAMS | 2 weeks | Yes | CA DSOD | ||||||||
CHRISTINA | ME | H | Non-failure | 09/02/2022 | Other | Accident Or Misoperation | ME00226-3518 | Dam owner opened the dam gates to lower "dewater" the reservoir based on comments by the acting state inspector. Dewater word was used but he meant lower to reduce the impoundment until requested repairs could be made | No | 0 | 0 | 0 | Other | Unknown | None | Environmental impacts in migratory birds and some fish species. | P | RE | HS | NR | 30 ft | 13900 ac-ft | 480 acres | 1967 | ME00226 | PRESTILE STREAM | 46.69 | -67.8917 | 0 | MEMA | Unknown | MEMA | ||||||||
COCHNEWAGON | ME | S | Non-failure | 04/13/2022 | Seepage/internal Erosion | Sinkhole | ME00314-3519 | Sinkhole reported, did not increase in size, under remediation. | No | 0 | 0 | 0 | None | Unknown | Dam inspector inspected. Owners hired engineer firm to draft repair plans. | Dam owner is currently repairing. No public safety event occurred. | L | CN | HRS | Y | 9 ft | 1590 ac-ft | 403 acres | 1900 | ME00314 | MUD MILLS STREAM | 44.2397 | -70.0377 | 1962 | MEMA | Yes | MEMA | ||||||||
SALMON LAKE | ME | S | Non-failure | 05/11/2022 | Other | Other | ME00417-3520 | Downstream beaver dam backed water up to spillway, fear of gates freezing due to below freezing temps. | No | 0 | 0 | 0 | None | Unknown | Owners talked to downstream resident where the beaver dam was located. Water receeded w/out any damages. | L | CNPGRE | FPR | Y | 11 ft | 4680 ac-ft | 1158 acres | 1896 | ME00417 | MILL STREAM | 44.5224 | -69.7971 | 1956 | MEMA | Yes | MEMA | |||||||||
MARION CITY DAM | KY | S | Non-failure | 04/27/2022 | Seepage/internal Erosion | Piping | KY00133-3521 | No | 0 | 0 | 0 | L | RE | S | NR | 28 ft | 804 ac-ft | 51 acres | 1964 | KY00133 | CROOKED CREEK | 37.3024 | -88.0906 | 0 | KY DIVISION OF WATER | Yes | KY Dam Safety | |||||||||||||
MT STERLING DAM | KY | S | Non-failure | 06/01/2022 | Structural Stability | Slope Stability | KY00305-3522 | No | 0 | 0 | 0 | L | RE | S | NR | 61 ft | 5265 ac-ft | 172 acres | 1960 | KY00305 | SLATE CREEK | 38.0199 | -83.8469 | 0 | KY DIVISION OF WATER | No | KY Dam Safety | |||||||||||||
SILVER CRYSTAL DAM | KY | S | Non-failure | 05/08/2023 | Seepage/internal Erosion | Piping | KY00019-3523 | No | 0 | 0 | 0 | P | RE | R | NR | 15 ft | 100 ac-ft | 10 acres | 1950 | KY00019 | WILSON CREEK | 38.1065 | -85.7334 | 0 | KY DIVISION OF WATER | Yes | KY Dam Safety | |||||||||||||
Sibley 34 | MN | L | Failure | 04/11/2022 | Seepage/internal Erosion | Erosion | Excessive/increased Seepage | Piping | MN01847-3524 | Upon inspection, failure was noted. Piping led to erosion which led to failure of the left abutment. | No | 0 | 0 | 0 | 0 | None | Unknown | L | OT | C | NR | 14 ft | 132 ac-ft | 0 acres | 1965 | MN01847 | South Branch Rush River | 44.4619 | -94.1772 | 2019 | MNDNR EWR | No | MN Dam Safety | |||||||
IRIS LAKE DAM EAST | GA | L | Failure | 02/04/2022 | Seepage/internal Erosion | Piping | GA01563-3525 | The dam failed as it was being refilled after maintenance repairs. | No | 0 | 0 | 0 | 0 | Bridges, Roads | $100,000 to $500,000 | 200 ac-ft | P | RE | R | NR | 27 ft | 292 ac-ft | 21 acres | 1960 | GA01563 | UNKNOWN | 33.4006 | -84.1161 | 0 | GA-SAFE DAMS PROGRAM | No | GA Safe Dams | ||||||||
LAKE TCHUKOLAHO DAM | GA | L | Failure | 03/28/2023 | Seepage/internal Erosion | Unknown | GA00165-3526 | The dam failed shortly after reconstruction after a previous failure. | No | 0 | 0 | 0 | 0 | $100,000 to $500,000 | County EMA monitored and noted no impacts downstream. | 2000 ac-ft | P | RE | R | NR | 16 ft | 3054 ac-ft | 285 acres | 1959 | GA00165 | COMMISSIONER CREEK | 32.8994 | -83.2869 | 0 | GA-SAFE DAMS PROGRAM | 1 day | No | GA Safe Dams | |||||||
HEADS CREEK RESERVOIR DAM | GA | H | Non-failure | 03/27/2023 | Hydrologic/flooding | High Reservoir Level | GA01465-3527 | The dam was under construction with a new spillway pipe being installed. Coffer dam overtopped. | Yes | 20 | 0 | Bridges, Roads | $1 to $100,000 | Bridges/roads were closed during evacuation period. | L | RE | S | Y | 31 ft | 7588 ac-ft | 300 acres | 1963 | GA01465 | HEAD'S CREEK | 33.2804 | -84.3744 | 1983 | GA-SAFE DAMS PROGRAM | No | GA Safe Dams | ||||||||||
HASHIMI DAM | TX | S | Failure | 10/05/2023 | Hydrologic/flooding | Overtopping | Spillway Chute Failure | TX07436-3528 | No loss of life; it appeared that the dam overtopped and there was a spillway failure. | 0 | P | OT | O | NR | 18 ft | 63 ac-ft | 8 acres | 0 | TX07436 | 32.4811 | -95.4058 | 0 | TCEQ | TX Dam Safety | ||||||||||||||||
MCLEAD FLOOD CONTROL DAM | NM | S | Non-failure | 08/01/2022 | Hydrologic/flooding | Overtopping | NM00343-3529 | Overtopped in Aug 2022 causing erosion of downstream slope but did not breach. | L | RE | C | N | 25 ft | 720 ac-ft | 70 acres | 1951 | NM00343 | MCLEOD & BROADHURST ARROYO | 32.7384 | -107.257 | 1993 | OFFICE OF THE STATE ENGINEER | NM Dam Safety | |||||||||||||||||
INTREPID POTASH SOUTH PERIMETER DAM | NM | S | Non-failure | 02/09/2022 | Structural Stability | Slope Stability | NM00698-3530 | Experienced localized downstream slope failure on 2/9/2022 but dam did not fail. | P | RE | T | N | 29 ft | 70 ac-ft | 54 acres | 0 | NM00698 | PECOS RIVER-TR | 32.4843 | -103.792 | 0 | OFFICE OF THE STATE ENGINEER | NM Dam Safety | |||||||||||||||||
SILVER LAKE DAM - MIDDLETOWN | DE | H | Non-failure | 07/27/2022 | Seepage/internal Erosion | Piping | Sinkhole | Excessive/increased Seepage | DE00051-3531 | On 7/27/2022 a sinkhole was discovered on the upstream slope adjacent to the right winwall of 1 of the bridge/spillway structures (this dam has two bridges with gates on the upstream side and a smaller culvert with boards on the upstream side) with an active boil on the downstream side of the dam. The piping/voids were under the bridge slab. The road was closed, the pond level was lowered and immeadiate measures including a liner and large sand sacks were placed on the upstream seepage entry point to prevent progression. Permanent repairs included flowable fill to fill the sinkhole and holes were drilled thru the slab to inject flowable fill in the voids under the bridge slab. All trees were clearded along the upstream slope and a sheet pile cutoff and riprap were installed. | Yes | 0 | 0 | 0 | Bridges | $1 million to $5 million | S | PGRE | R | Y | 18 ft | 591 ac-ft | 39 acres | 1945 | DE00051 | DEEP CREEK | 39.438 | -75.6934 | 0 | DNREC | No | DE Dam Safety | ||||||||
GRIFFITH LAKE DAM | DE | H | Non-failure | 08/16/2023 | Seepage/internal Erosion | Piping | Spillway Chute Failure | DE00043-3532 | Active piping issue discovered on 8/16/23. The water level in the pond was lowered and an unsuccessful attempt to fill the voids under the spillway was made. | An unsuccessful attempt to fill the voids under the spillway was made. A replacement spillway design is being expedited. | S | PGRE | FR | Y | 12 ft | 310 ac-ft | 40 acres | 0 | DE00043 | MISPILLION RIVER | 38.9112 | -75.4648 | 2006 | DNREC | DE Dam Safety | |||||||||||||||
TRAP POND DAM | DE | H | Non-failure | 12/25/2023 | Deterioration Or Poor Condition | Spillway Chute Failure | DE00017-3533 | Spillway slab failure on 12/25/23. The water level in the pond has been lowered and the low level outlet is being used to pass flows. An emergency design to repair the spillway is being done. | The water level in the pond has been lowered and the low level outlet is being used to pass flows. An emergency design to repair the spillway is being done. | S | PGRE | R | Y | 14 ft | 4343 ac-ft | 94 acres | 1938 | DE00017 | HITCH POND BRANCH | 38.5278 | -75.4824 | 0 | DNREC | DE Dam Safety | ||||||||||||||||
O'BRIEN LAKE DAM | OH | L | Non-failure | 04/22/2022 | Deterioration Or Poor Condition | Spillway Pipe Failure | Sinkhole | Erosion | OH00398-3534 | CMP principal spillway riser failed and caused a sinkhole on the upstream slope and erosion into the crest. Outlet pipe was also severally deteriorated and there was a large erosion scrap on the downstream slope that almost reached the crest. The operability of the lake drain was unknow plus it could not be accessed due to the amount of water going into the riser. A channel was excavated into the emergency spillway to lower the water level by 4 feet. Once the water level was lowered to this elevation windows in the riser were cut out to completely drain the lake. The lake drain was eventually operated and opened completely. | No | 0 | 0 | 0 | None | No EAP but local officials were notified. The dam owner was very cooperative. They were able to get a contractor on site relatively quickly and agreed with our plan of action. The County SWCD office keeped us up-to-date with the progess after the initial emergency was over. | P | RE | R | N | 23 ft | 168 ac-ft | 20 acres | 1968 | OH00398 | TRIBUTARY TO THREE BROTHERS CREEK | 41.6575 | -80.7983 | 0 | DEPARTMENT OF NATURAL RESOURCES | 2 weeks | Yes | OH Dam Safety | |||||||
NEW WATERSTONE LAKE DAM | OH | L | Non-failure | 05/23/2022 | Deterioration Or Poor Condition | Spillway Riser Failure | Sinkhole | OH02895-3535 | CMP principal spillway riser failed at the bottom of the riser. This developed into a sinkhole and erosion of the upstream slope so that the hole was in direct connect with the lake. Lake completely drained through large hole in the riser. | No | 0 | 0 | 0 | None | The owner called the dam safety office after most of the damage to the dam had already occurred and most of the water had drained through the hole in the spillway. | P | RE | R | N | 19 ft | 83 ac-ft | 4 acres | 1997 | OH02895 | TRIBUTARY TO POLK RUN | 39.2917 | -84.3036 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH Dam Safety | ||||||||
LAKE HOPE DAM | OH | S | Non-failure | 01/03/2023 | Manmade Action | High Reservoir Level | OH00072-3536 | Had elevated pool during construction. Main spillway was cofferdamed off and there were 4 large siphons running. As part of the construction they had lowered the pool by at least 5 feet and lowered the top of dam as well to accomodated some of the construction. The cofferdam was breached to prevent the dam from overtopping. | Yes | 0 | 1 | 1 | Other | The contractor's job trailer and laydown area below the dam was flooded out. | S | RE | R | Y | 33 ft | 2461 ac-ft | 130 acres | 1939 | OH00072 | SANDY RUN | 39.32 | -82.3564 | 0 | DEPARTMENT OF NATURAL RESOURCES | 3 days | Yes | OH Dam Safety | |||||||||
WATERLOO COAL COMPANY DAM | OH | L | Non-failure | 01/23/2023 | Deterioration Or Poor Condition | Spillway Pipe Failure | Debris Clogging | Erosion | OH01823-3537 | Entire CMP slant pipe spillway failed due to poor condition and was also clogged with debis. | No | 0 | 0 | 0 | None | Siphoned the water level down. Dam owner is looking into breaching the dam. | S | RE | R | Y | 18 ft | 51 ac-ft | 6 acres | 0 | OH01823 | TRIBUTARY TO SYMMES CREEK | 38.94 | -82.5425 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH Dam Safety | |||||||
LAKE MILTON DAM | OH | H | Non-failure | 03/29/2023 | Other | Slope Stability | OH00419-3538 | Shallow slide on the downstream slope. Set up monitoring locations. | No | 0 | 0 | 0 | None | Contractor regraded slide area. | S | RE | R | Y | 52 ft | 46605 ac-ft | 1780 acres | 1916 | OH00419 | MAHONING RIVER | 41.1272 | -80.9778 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH Dam Safety | |||||||||
LAKE KATHARINE DAM | OH | S | Non-failure | 05/23/2023 | Manmade Action | Excessive/increased Seepage | OH00510-3539 | Uplift at toe during construction due to excavation of materials at the toe without proper dewatering system installed. Contractor place fill material back into excavation until a proper dewatering system is installed. | No | 0 | 0 | 0 | None | Contractor place fill material back into excavation until a proper dewatering system is installed. | S | RE | R | Y | 29 ft | 560 ac-ft | 52 acres | 1945 | OH00510 | ROCK RUN CREEK | 39.085 | -82.6733 | 0 | DEPARTMENT OF NATURAL RESOURCES | 1 day | Yes | OH Dam Safety | |||||||||
LAKE ASHBURTON | MD | H | Non-failure | 02/07/2022 | Other | Other | MD00108-3540 | Water supply piping at toe of dam began to leak causing internal erosion and sinkhole at the embanment toe. | Yes | 0 | 0 | 0 | Unknown | Unknown | Reluctance to activate EAP | L | REER | S | Y | 40 ft | 750 ac-ft | 25 acres | 1910 | MD00108 | OFFSTREAM-GWYNNS RUN | 39.3192 | -76.6688 | 1910 | MD DAM SAFETY | 4 months | Unknown | MD Dam Safety | ||||||||
PRUITTS DAM | VA | U | Failure | 07/22/2022 | Deterioration Or Poor Condition | Spillway Riser Failure | Spillway Pipe Failure | VA075007-3541 | Pipe Collapse: Owner siphoned water level down to discover erosion in vicinity of riser. Probable failure of riser, riser elbow or outlet pipe. Corrogated metal pipe riser developed signficant holes that drained the pond. Date of failure is estimated to be late spring of 2022. No known risks to embankment that may cause breach failure of dam. | No | 0 | 0 | 0 | 0 | P | RE | R | Y | 25 ft | 180 ac-ft | 15 acres | 1968 | VA075007 | TR-BIG LICKING HOLE CREEK | 37.7873 | -77.9736 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Unknown | VA Dam Safety | ||||||||||
MALVERN DAM | VA | L | Failure | 07/27/2022 | Deterioration Or Poor Condition | Other | VA113011-3542 | Pipe Collapse: The original siphon pipe from the 1970's has failed and about 100 - 150 GPM coming out. | No | 0 | Unknown | Unknown | 0 | P | RE | R | Y | 34 ft | 105 ac-ft | 14 acres | 0 | VA113011 | TR-DARK RUN | 38.3734 | -78.2164 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Unknown | VA Dam Safety | |||||||||||
CHANDLER'S MILL DAM | VA | S | Failure | 01/17/2022 | Manmade Action | Other | VA193011-3543 | Partial Failure: Received at text at 3:43 pm from John Fogg Dam Safety Program Manager at Dept. of Wildlife Resources that a steel sheet pile broke loose at Chandler Mill Dam causing a controlled impoundment breach-release. A stage III was called VDEM, NWS, VDOT and Westmoreland and Richmond County Emergency Management were notified along with DCR. Photos sent. Site is active construction site and equipment is high and dry. Contractor on site | Yes | 0 | Unknown | Unknown | 0 | A stage III was called VDEM, NWS, VDOT and Westmoreland and Richmond County Emergency Management were notified along with DCR. | S | RE | R | N | 15 ft | 475 ac-ft | 0 acres | 0 | VA193011 | 38.0974 | -76.8484 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | 15:30 | Unknown | VA Dam Safety | ||||||||||
WOODBERRY DAM | VA | U | Failure | 02/27/2022 | Seepage/internal Erosion | Unknown | VA145007-3544 | Total Failure: apparent sunny day slow failure | No | 0 | Unknown | Unknown | 0 | X | RE | R | N | 22 ft | 189 ac-ft | 0 acres | 0 | VA145007 | JONES CREEK (IN) TO NORWOOD CREEK (OUT) | 37.5875 | -77.7774 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | Unknown | VA Dam Safety | |||||||||||
LAKE MONROE DAM | VA | H | Failure | 01/05/2022 | Deterioration Or Poor Condition | Spillway Riser Failure | VA099006-3545 | Pipe Collapse: Around 10:30 AM the water level began declining at the dam and a stake was place around 1:30 PM. It was determined that the elbow in the riser pipe likely ruptured around 36' below normal pool. Flows between 2/3 and full diameter were observed coming out of the outfall pipe. Five households were evacuated. Road below dam was coned off and dam downstream was notified. | Yes | 0 | Unknown | 5 | 0 | Five households were evacuated. Road below dam was coned off and dam downstream was notified. | P | RE | R | Y | 40 ft | 607 ac-ft | 25 acres | 0 | VA099006 | TR-KEYS RUN | 38.2694 | -77.2068 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | 10:30 | Unknown | ||||||||||
MCIVER DAM | VA | U | Non-failure | 03/18/2022 | Deterioration Or Poor Condition | Erosion | Spillway Pipe Failure | VA065006-3546 | Partial Failure: RE visited site to observe the reported refilling of the lake (previously dam was not holding water based on all accounts and historical google earth imaging). RE noted that the dam was in extremely poor condition and the water level has receded very little since the owner engineer visited on 3/18/22. Significant sloughing into the crest near where the outlet works would have been, sloughing on downstream toe at outfall. Approximately 20' was outfill pipe was exposed and disconnected. Significant flow was exiting and around the outfall, muddy. Evidence that the emergency spillway had been activiated recently with significant erosion on the downstream embankment in the area of the emergency spillway. Dam is covered with mature trees. Widespread evidence of beaver activity. | No | 0 | 0 | 0 | $100,000 to $500,000 | DCR worked with Fluvanna County and their contractors to dewater and decommission dam that possed an imminent failure risk. DCR reimbursed the locality for expenses and a legal demand for expenses was issued to the dam owner. | P | RE | R | N | 23 ft | 93 ac-ft | 0 acres | 1969 | VA065006 | SPRING GARDEN CREEK | 37.7263 | -78.2871 | 0 | DEPARTMENT OF CONSERVATION AND RECREATION | VA Dam Safety | ||||||||||
Clarks Sawmill Dam | VT | L | Failure | 07/10/2023 | Hydrologic/flooding | Unknown | VT00000-3555 | Full failure reported in days immediately following flood event. | July 2023 Flooding | No | 0 | 0 | 0 | 0 | Unknown | Unknown | 21 ac-ft | Dam in preliminary removal study phase. | P | MSPG | O | NR | 14 ft | 21 ac-ft | 3 acres | 0 | VT00000 | Winooski River | 44.3911 | -72.331 | 0 | VT DSP | No | VT Dam Safety | ||||||
SOUTH WOODBURY POND | VT | S | Failure | 07/10/2023 | Hydrologic/flooding | Unknown | VT00311-3556 | Partial breach reported in the days immediately following flood event. | July 2023 Flood | No | 0 | 0 | 0 | 0 | Unknown | Unknown | 45 ac-ft | P | MSREST | R | NR | 16 ft | 45 ac-ft | 6 acres | 1875 | VT00311 | SABIN POND-TR | 44.4153 | -72.4222 | 0 | DEC | No | VT Dam Safety | |||||||
BOURBANIS DAM | ND | S | Non-failure | 05/01/2022 | Hydrologic/flooding | Spillway Erosion/head Cutting | ND00083-3557 | A late-season snowstorm in mid-April led to snowfall accumulations from 12 inches to 30 inches in the watershed. Spring rains in late April and early May accelerated the snowmelt and added to the runoff volume. Flow through the auxiliary spillway caused a progressing headcut in the grass-lined spillway. | Yes | Unknown | Unknown | 0 | Roads | Unknown | Work was done to lower the reservoir and to try to stabilize the headcut. | L | RE | C | Y | 76 ft | 1502 ac-ft | 9 acres | 1957 | ND00083 | TONGUE RIVER-TR | 48.7844 | -97.9801 | 1984 | NDSWC | 2 weeks | No | ND Dam Safety | ||||||||
CHENIERE BRAKE DAM | LA | L | Failure | 08/26/2022 | Seepage/internal Erosion | Piping | Foundation Deficiency | Other | LA00009-3558 | Piping failure began on Aug. 26, 2022 and complete breach of the embankment occured on Aug. 27, 2022. | No | 0 | 0 | 0 | 0 | None | $1 million to $5 million | 25000 ac-ft | L | RE | R | NR | 25 ft | 53000 ac-ft | 3600 acres | 1943 | LA00009 | CHENIERE CREEK | 32.4528 | -92.1917 | 0 | LA DOTD | 12:00 | 2 days | Investigation | LA Dam Safety | ||||
SENER, JOHN B. | WI | Non-failure | 11/01/2023 | Hydrologic/flooding | Erosion | WI11503-3559 | The downstream portion of the emergency spillway race, approximately 80 LF, had headcut back towards the embankment. The embankment was not damaged. | No | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI11503 | 0 | 0 | 0 | WI Dam Safety | |||||||||||||||||||
JASZEWSKI | WI | L | Failure | 08/24/2022 | Hydrologic/flooding | Unknown | WI00000-3560 | Embankment fully washed-out across ravine during heavy rain event. Unknown if failure was caused from piping or overtopping. | No | 0 | 0 | 0 | 0 | $1 to $100,000 | P | RE | G | N | 30 ft | 38 ac-ft | 0 acres | 0 | WI00000 | 44.1781 | -91.5353 | 0 | WI Dam Safety | |||||||||||||
BLACK RIVER FALLS | WI | L | Non-failure | 10/31/2023 | Hydrologic/flooding | Debris Clogging | WI00043-3561 | Multiple trees stuck under tainter gate after major flood event. Gate could not fully close. | Yes | 0 | 0 | 0 | $1 to $100,000 | L | CNPG | HR | NR | 18 ft | 6270 ac-ft | 198 acres | 1912 | WI00043 | BLACK RIVER | 44.2917 | -90.8625 | 0 | WI Dam Safety | |||||||||||||
SHERWOOD | WI | L | Failure | 10/25/2023 | Hydrologic/flooding | Overtopping | WI00111-3562 | Major flooding resulting in overtopping of the embankment and erosion. The road directly downstream also overtopped. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | L | PGRE | R | Y | 13 ft | 600 ac-ft | 117 acres | 1936 | WI00111 | HAY CREEK | 44.4262 | -90.3693 | 0 | WIDNR | WI Dam Safety | ||||||||||
HORICON | WI | L | Failure | 08/18/2023 | Deterioration Or Poor Condition | Foundation Deficiency | WI01062-3563 | Dye testing performed by DNR staff based on observations by property staff of an apparent boil downstream of the east stoplog bay. | No | 0 | 0 | 0 | 0 | $1 to $100,000 | S | OTPG | O | Y | 12 ft | 20000 ac-ft | 2500 acres | 1930 | WI01062 | MAIN DITCH | 43.4462 | -88.6311 | 0 | WIDNR | WI Dam Safety | |||||||||||
CATARACT | WI | Non-failure | 06/22/2023 | Seepage/internal Erosion | Sinkhole | WI12249-3564 | Sinkhole formed on top of the embankment, slightly downstream from the crest, approximately 65’ right of the bridge abutment. The hole was approximately 2.5’ deep x 3’ wide x 5.5’ long. Dye testing performed , no outlet detected. | No | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI12249 | 0 | 0 | 0 | WI Dam Safety | |||||||||||||||||||
FLORA DELL | WI | Failure | 06/06/2023 | Deterioration Or Poor Condition | Excessive/increased Seepage | WI10339-3565 | Sinkhole formed on the top of the embankment, approximately 15' in diameter and 10' deep. Department staff inspected next day.. Issued verbal order for draw down via pump or siphon, to temporarily bypass outlet pipe. | No | 0 | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI10339 | 0 | 0 | 0 | WI Dam Safety | ||||||||||||||||||
CAREVIC | WI | L | Non-failure | 04/28/2023 | Malfunction Of Equipment/gate | Gate/valve Failure | WI01219-3566 | Stoplog approx. 4 or 5 logs from the top of the riser failed. | No | 0 | 0 | 0 | $1 to $100,000 | P | CN | F | Y | 9 ft | 65 ac-ft | 20 acres | 0 | WI01219 | TRIB. TO DUCK CREEK | 43.489 | -89.3564 | 0 | WIDNR | WI Dam Safety | ||||||||||||
LOWER KAUKAUNA | WI | H | Non-failure | 04/24/2023 | Seepage/internal Erosion | Piping | WI00778-3567 | During lock operator training, water levels got higher than normal operation in Kaukauna Lock #3. A sinkhole formed in the embankment to the right of the canal spillway structure. | No | 0 | 0 | 0 | $1 to $100,000 | X | PGRE | HNR | Y | 16 ft | 200 ac-ft | 40 acres | 1857 | WI00778 | FOX | 44.2798 | -88.2556 | 1940 | WI Dam Safety | |||||||||||||
WEATHERSHIELD | WI | H | Non-failure | 04/22/2023 | Malfunction Of Equipment/gate | Gate/valve Failure | WI00901-3568 | A single stoplog failed on the bottom half of the spillway. Owner alerted City emergency response. No known or suspected damage downstream. | No | 0 | 0 | 0 | $1 to $100,000 | P | RE | OR | Y | 12 ft | 75 ac-ft | 11 acres | 1977 | WI00901 | TR-BLACK RIVER | 45.1511 | -90.3374 | 0 | WIDNR | WI Dam Safety | ||||||||||||
OXBO FLOWAGE | WI | Failure | 04/19/2023 | Seepage/internal Erosion | Piping | WI01274-3569 | Piping occurred around temporary culvert outlet. Soil over culvert collapsed. Partial failure. | Yes | 0 | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI01274 | 0 | 0 | 0 | WI Dam Safety | ||||||||||||||||||
SWEENY POND CREEK | WI | L | Failure | 04/17/2023 | Hydrologic/flooding | Overtopping | WI00622-3570 | Overtopped due to significant flooding (snowpack, etc.). The embankment sustained significant damage and eroded the asphalt as well (embankment is also a Town Road). | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | S | RE | R | Y | 7 ft | 580 ac-ft | 47 acres | 1964 | WI00622 | SWEENY POND CREEK | 45.3947 | -91.9486 | 0 | WIDNR | WI Dam Safety | ||||||||||
ELVA ROLLER MILL | WI | Failure | 04/19/2023 | Malfunction Of Equipment/gate | Gate/valve Failure | WI10532-3571 | The center steel stoplog channel had partially failed. The deformed channel allowed the top three stoplogs in bays #3 and #4 to fall out. Staff opened the mill race to help lower the impoundment. | No | 0 | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI10532 | 0 | 0 | 0 | WI Dam Safety | ||||||||||||||||||
INDIANFORD | WI | L | Non-failure | 01/03/2023 | Manmade Action | Sinkhole | WI00655-3572 | Sinkhole discovered behind tailrace retaining wall D/S of powerhouse on west side of river, believed to be partially caused by high flows through the west bay of the powerhouse following completion of planned repairs. | No | 0 | 0 | 0 | $1 to $100,000 | L | PG | R | Y | 13 ft | 107000 ac-ft | 10460 acres | 1932 | WI00655 | ROCK | 42.8034 | -89.0891 | 0 | WIDNR | WI Dam Safety | ||||||||||||
NESHOTO | WI | H | Failure | 10/21/2022 | Deterioration Or Poor Condition | Spillway Pipe Failure | WI00153-3573 | Sinkhole formed after operating low draw gate. Outlet pipe deteriorated. | Yes | 0 | 0 | 0 | 0 | $1 to $100,000 | P | PGRE | O | Y | 15 ft | 440 ac-ft | 55 acres | 1914 | WI00153 | WEST TWIN RIVER | 44.1758 | -87.6507 | 0 | WIDNR | WI Dam Safety | |||||||||||
REST LAKE | WI | H | Non-failure | 09/30/2022 | Seepage/internal Erosion | Piping | WI00211-3574 | Void appeared on the upstream side of the left embankment next to the spillway. Void led to an abandoned metal fish lock conduit that was buried in the embankment. | No | 0 | 0 | 0 | $1 to $100,000 | U | PGRE | R | Y | 25 ft | 68000 ac-ft | 4200 acres | 1925 | WI00211 | MANITOWISH | 46.1385 | -89.8854 | 0 | WIDNR | WI Dam Safety | ||||||||||||
MENASHA DAM | WI | H | Non-failure | 07/19/2022 | Seepage/internal Erosion | Piping | WI00814-3575 | Seepage found at left embankment. Excavated to find source and hit some of the original timber crib/rock. Installed temporary seepage collection system. | No | 0 | 0 | 0 | $1 to $100,000 | F | PGCN | CSNFR | Y | 16 ft | 2430000 ac-ft | 173000 acres | 1937 | WI00814 | FOX | 44.2 | -88.4467 | 0 | WI Dam Safety | |||||||||||||
LITTLE CHUTE | WI | S | Non-failure | 06/14/2022 | Seepage/internal Erosion | Piping | WI00779-3576 | A sinkhole was observed by FRNSA in the downstream embankment of the navigational channel where the embankment ties into the left side of the lock entrance wall. The hole was approximately 4' diameter and 6' ft deep. | No | 0 | 0 | 0 | $1 to $100,000 | F | PGCN | CHNR | Y | 20 ft | 650 ac-ft | 155 acres | 1932 | WI00779 | FOX | 44.275 | -88.3183 | 0 | WIDNR | WI Dam Safety | ||||||||||||
WESO CREEK | WI | L | Failure | 04/19/2022 | Seepage/internal Erosion | Piping | WI00649-3577 | Sinkhole was observed over the downstream side of the whistle tube. Orders were written to drawdown the impoundment until dam is repaired or removed. | No | 0 | 0 | 0 | 0 | $1 to $100,000 | L | RE | R | Y | 9 ft | 1760 ac-ft | 480 acres | 1960 | WI00649 | WESO CREEK | 45.0961 | -88.457 | 0 | WIDNR | WI Dam Safety | |||||||||||
OXBO FLOWAGE | WI | Failure | 04/06/2022 | Seepage/internal Erosion | Piping | WI01274-3578 | Piping occurred around temporary culvert outlet. Soil over culvert collapsed. Partial failure. | Yes | 0 | 0 | 0 | 0 | $1 to $100,000 | 0 ft | 0 ac-ft | 0 acres | 0 | WI01274 | 0 | 0 | 0 | WI Dam Safety | ||||||||||||||||||
LOWER STEVE CREEK | WI | L | Failure | 03/25/2022 | Seepage/internal Erosion | Piping | WI00650-3579 | A member of the public noticed seepage occurring through the left earthen embankment near the spillway but not directly adjacent to the outlet pipe. They also noticed that the embankment was sagging/slumping above seepage location. | Yes | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | S | RE | R | Y | 7 ft | 150 ac-ft | 40 acres | 1962 | WI00650 | STEVE CREEK | 45.3972 | -90.6176 | 0 | WIDNR | WI Dam Safety | ||||||||||
DEPERE DAM | WI | S | Non-failure | 03/05/2023 | Seepage/internal Erosion | Sinkhole | WI00867-3580 | Sinkhole formed on the embankment between the lock canal and the main river. It was inline with a large joint in the wall along the navigational canal. Joint was sealed as a repair. | F | PGCN | CHNFR | Y | 17 ft | 10790 ac-ft | 536 acres | 1929 | WI00867 | FOX | 44.4483 | -88.0633 | 0 | WIDNR | ||||||||||||||||||
DEPERE DAM | WI | S | Non-failure | 04/04/2023 | Seepage/internal Erosion | Sinkhole | WI00867-3580 | Sinkhole formed in the embankment between the right powerhouse and the lock. Dye testing showed seepage from upstream to downstream. Seepage and hole were monitored and it stabilized, repairs were completed in early 2024. | F | PGCN | CHNFR | Y | 17 ft | 10790 ac-ft | 536 acres | 1929 | WI00867 | FOX | 44.4483 | -88.0633 | 0 | WIDNR | ||||||||||||||||||
OXBO FLOWAGE | WI | Failure | 06/27/2023 | Deterioration Or Poor Condition | Spillway Pipe Failure | WI10367-3581 | Outlet pipe was observed to be deteriorated and partially collapsed. Embankment material was observed coming through the top of the pipe and there was little material left in the botton. | 0 | 0 ft | 0 ac-ft | 0 acres | 0 | WI10367 | 0 | 0 | 0 | WI Dam Safety | |||||||||||||||||||||||
LITTLE CHUTE | WI | S | Non-failure | 10/16/2023 | Seepage/internal Erosion | Sinkhole | WI00779-3582 | Sinkholes were observed in the embankment and navigational canal while drawn down for planned embankment work. | F | PGCN | CHNR | Y | 20 ft | 650 ac-ft | 155 acres | 1932 | WI00779 | FOX | 44.275 | -88.3183 | 0 | WIDNR | WI Dam Safety | |||||||||||||||||
KAUKAUNA DAM | WI | S | Non-failure | 08/29/2023 | Seepage/internal Erosion | Sinkhole | WI00080-3583 | Sinkhole observed in Stribley Rd in front of the public library. Sinkhole was aproximately 3 ft deep and 3 ft diameter. Road was shut down and repairs were made by the City 9/1/2023. | F | CHNSR | Y | 22 ft | 1300 ac-ft | 234 acres | 1931 | WI00080 | FOX | 44.2817 | -88.2717 | 0 | WI Dam Safety | |||||||||||||||||||
GEORGE SCHNOPP ROAD POND DAM | MA | S | Failure | 10/15/2022 | Deterioration Or Poor Condition | Other | MA03514-3584 | Spontaneous failure of primary spillway and adjacent embankments | No | 0 | 0 | 0 | 1 | Roads | $1 to $100,000 | 64 ac-ft | P | RE | R | N | 13 ft | 64 ac-ft | 12 acres | 1970 | MA03514 | TR-Ashmere Lake | 42.4582 | -73.0852 | 0 | State of MA | 1 day | Investigation | MA Dam Safety | |||||||
KA LOKO DAM | HI | H | Failure | 03/14/2006 | Manmade Action | Other | Overtopping | HI00000-3585 | 24 days into period of heavy rain, dam breaches, apparently due to ~2’ max overtopping near former spillway (no spillway found after breach), flood depth ~10’ to 30’, causing 7 fatalities (including pregnant woman) ~16 min after breach | 7 | P | RE | I | 42 ft | 0 ac-ft | 0 acres | 1890 | HI00000 | 0 | 0 | 1912 | Y | ||||||||||||||||||
PORTNEUF | ID | H | Non-failure | 05/10/2023 | Hydrologic/flooding | Spillway Erosion/head Cutting | Spillway Deficiency | ID00180-3586 | Spillway Failure-severe erosion of the emergency spillway downstream channel and associated removal of soil materials beneath the existing concrete apron-Snowmelt resulting from above normal winter accumulation | 0 | Minor Flooding of Farm Buildings and Non-Habitable Infrastructure | P | RE | Y | 54 ft | 20504 ac-ft | 1593 acres | 1912 | ID00180 | PORTNEUF RIVER | 42.8787 | -111.943 | 1949 | IDWR | 2 Days | Yes | ID DWR | Y | ||||||||||||
FOREST LAKE DAM | NH | L | Failure | 07/09/2023 | Hydrologic/flooding | Overtopping | NH00297-3587 | overtopping of earthen dam | No | 0 | 0 | 0 | 0 | None | $500,000 to $1 million | P | REST | R | NR | 8 ft | 378 ac-ft | 93 acres | 1925 | NH00297 | TR ASHUELOT RIVER | 42.7988 | -72.3697 | 0 | NHDES DAM BUREAU | 22:00 | 1 Day | Yes | NH DES | |||||||
SHANNON LAKE DAM | NH | S | Non-failure | 06/28/2023 | Hydrologic/flooding | Spillway Erosion/head Cutting | NH00562-3588 | erosion of earthen auxiliary spillway | No | 0 | 0 | 0 | 0 | None | $1 to $100,000 | P | RE | R | N | 20 ft | 21 ac-ft | 4 acres | 1969 | NH00562 | SHANNON BROOK | 43.7322 | -71.3225 | 0 | NHDES DAM BUREAU | 1 Day | No | NH DES | ||||||||
YOUTH CAMP LAKE DAM | IN | S | Non-failure | 03/01/2023 | Structural Stability | Slope Stability | Sliding | IN00264-3589 | slope failure incident on the lakeward side of the dam | Yes | 0 | 0 | 0 | 0 | Unknown | owner has engineer. Lake lowered. No breach occurred. | P | RE | R | Y | 35 ft | 94 ac-ft | 5 acres | 1945 | IN00264 | UNNAMED TRIBUTARY WOLF CREEK | 39.1694 | -86.0508 | 0 | IDNR | No | IDNR | ||||||||
SWANZY LAKE | CA | H | Non-failure | 03/30/2023 | Other | Landslide | CA00144-3590 | Elevated turbidity and groundwater intrusion near a hillside slide away from the dam embankment. | No | 0 | 0 | 0 | 0 | None | Reservoir was drained via the owner's sanitary sewer system because the outlet was not functional. | Reservoir was restricted and will remain drained until the outlet's functionality is reinstated. | L | RE | S | Y | 86 ft | 107 ac-ft | 4 acres | 1931 | CA00144 | TR CARQUINEZ STR | 38.0765 | -122.227 | 0 | DWR, SAFETY OF DAMS | 1:00 am | Yes | CA DSOD | |||||||
NJ No Name No. 140 Dam | NJ | L | Failure | 12/17/2023 | Hydrologic/flooding | Overtopping | NJ00000-3591 | Intense rain event led to overtopping of unprotected earthen embankment and failed the dam. | No | 0 | 0 | 0 | 0 | S | RE | R | NR | 13 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | Oldman's Creek-TR | 39.6771 | -75.2961 | 0 | NJDEP-Dam Safety | NJDEP-Dam Safety | ||||||||||||
New Jersey No Name # 80 Dam | NJ | L | Failure | 10/02/2023 | Hydrologic/flooding | Overtopping | NJ00000-3592 | Intense rain event led to overtopping of unprotected earthen spillway abutment which failed the dam. | No | 0 | 0 | 0 | 0 | P | RE | I | NR | 7 ft | 0 ac-ft | 0 acres | 0 | NJ00000 | Negro Run | 40.1758 | -75.5676 | 0 | NJDEP-Dam Safety | NJDEP-Dam Safety | ||||||||||||
Lower Slate Lake Back Dam | AK | S | Non-failure | 09/18/2023 | Hydrologic/flooding | Overtopping | Spillway Deficiency | Other | AK00320-3593 | 9/18 a cofferdam protecting AK00320 embankment construction work was overtopped and an partially eroded allowing water to flow freely into the tailings reservoir. Water eroded portions fo the AK00320 construction works. On 10/8 A temporary diversion line failed due to high flows and pressure allowing water to flow freely into the tailings reservoir. | Yes | incident did not involve an uncontrolled release of contact water, but did have impact on the overall site water balance that took about a year to resolve. | P | ER | T | Y | 44 ft | 910 ac-ft | 75 acres | 2024 | AK00320 | East Fork Slate Creek | 58.8136 | -135.04 | 0 | AK DNR | 7:00 AM | approx 1 month | Unknown | AK DNR | ||||||||||
PILOT GROVE CREEK WS SCS SITE 62 DAM | TX | S | Non-failure | 06/03/2024 | Hydrologic/flooding | Sliding | TX00485-3594 | slide about 150 ft long, 3 feet wide, 4 feet below dam crest, same general area as an old, stabilized slide | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | None | Unknown | TCEQ and NRCS inspections, public meeting, SWCD and HOA monitored the slide | L | RE | C | N | 31 ft | 1584 ac-ft | 34 acres | 1971 | TX00485 | TR-ARNOLD CREEK | 33.3175 | -96.2546 | 2010 | TCEQ | Yes | TCEQ | ||||||||
CEDAR CREEK WS SCS SITE 9 DAM | TX | H | Non-failure | 05/03/2024 | Hydrologic/flooding | Excessive/increased Seepage | TX00794-3595 | Boils were noted near bore holes from construction project at the dam | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Yes | 0 | 0 | 0 | None | Unknown | NRCS inspected, sandbag dike set up around the boils, county EMC notified, siphons used to help lower reservoir, contractor monitored | During NRCS inspection, flow through the emergency spillway was estimated at 6-8 inches deep | L | RE | C | Y | 25 ft | 205 ac-ft | 13 acres | 1971 | TX00794 | TR-BRUSHY CREEK | 32.847 | -96.3935 | 0 | TCEQ | Yes | TCEQ | |||||||
COLUMBIAN CLUB LAKE DAM | TX | H | Non-failure | 06/03/2024 | Hydrologic/flooding | Spillway Pipe Failure | TX00834-3596 | SWCD reported piping along the service spillway pipe with erosion up to 10-ft under the pipe cradle | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | None | Unknown | NRCS inspected, put up flags to monitor the erosion, on-site contractor for TX03358 monitored | P | RE | IR | Y | 24 ft | 345 ac-ft | 26 acres | 1905 | TX00834 | TR-HUTTON BRANCH | 32.9666 | -96.8716 | 2017 | TCEQ | Yes | TCEQ | ||||||||
ELKINS LAKE DAM | TX | H | Non-failure | 05/18/2024 | Hydrologic/flooding | Spillway Chute Failure | TX02956-3597 | Spillway chute collapsed | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | None | Unknown | Owner constructed an emergency cofferdam to prevent further loss of water | TCEQ performed a routine inspection and upon arrival was notified that the spillway chute had collapsed over the weekend. The area had received 16-20 inches of rain over the previous two months. TCEQ recommended they consult with engineer for repairs | P | RE | IR | Y | 31 ft | 1766 ac-ft | 85 acres | 1920 | TX02956 | PRAIRIE BRANCH | 30.6569 | -95.532 | 2002 | TCEQ | Yes | TCEQ | |||||||
HEATH BRANCH FISHING CLUB LAKE DAM | TX | S | Non-failure | 05/16/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX02957-3598 | Increased flows in spillway and gate rehab project led to undermining of the spillway stilling basin | multiple storms | Yes | 0 | 0 | 0 | None | Unknown | Emergency repairs consisted of placing rip rap and concrete in the eroded areas | January flooding eroded rip rap between the stilling basin and tailwater weir; April/May flooding exacerbated the situation. May 16 a section of the East wing wall was observed to be displaced; rip rap was placed to stabilize the wall until the waters receded to get a better understanding of the situation. In June, once gates were able to be closed; a diver noted up to 6-ft of undermining along the stilling basin endsill, 200-ft of the tailwater weir was gone; and a large scour hole between the endsill and tailwater weir was observed. Emergency repairs included placing concrete along the damaged areas; CFD analysis was performed to determine best options for gate operations going forward (especially if gates are out of commission); final permanent repairs are in design phase | P | RE | R | NR | 21 ft | 400 ac-ft | 0 acres | 1940 | TX02957 | MCDONALD CREEK | 30.6646 | -95.563 | 0 | TCEQ | Yes | TCEQ | |||||||
LOWER EAST FORK LATERALS WS SCS SITE 9 DAM | TX | H | Non-failure | 05/07/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX03357-3599 | spring rains caused head-cutting erosion in the spillway to progress | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | None | Unknown | owner contacted a PE, who notified TCEQ of the damages; TCEQ inspected the dam | L | RE | CPR | Y | 27 ft | 1800 ac-ft | 143 acres | 1953 | TX03357 | WARSAW CREEK | 32.5587 | -96.3943 | 0 | TCEQ | Yes | TCEQ | ||||||||
LOWER EAST FORK LATERALS WS SCS SITE 10 DAM | TX | H | Non-failure | 05/16/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX03358-3600 | spring rains caused head-cutting erosion in the spillway to progress | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | Water/sewer lines | Unknown | owner contacted a PE to develop plans for repairs, TCEQ inspeced | 25 inches of rain fell in the area over a few weeks, Repair plans have been submitted - review comments have not been addressed yet. | L | RE | CPR | Y | 29 ft | 2017 ac-ft | 141 acres | 1953 | TX03358 | WARSAW CREEK | 32.5495 | -96.4174 | 0 | TCEQ | Yes | TCEQ | |||||||
LAKE LIVINGSTON | TX | H | Non-failure | 04/26/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX03823-3601 | spring rains caused head-cutting erosion in the spillway to progress | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | unknown | Unknown | Sandbags were placed, a trench was dug for lowering reservoir, concrete debris placed at erosion gully, TCEQ inspected | U | Y | 90 ft | 1750000 ac-ft | 83000 acres | 1969 | TX03823 | TRINITY | 30.625 | -95.0265 | 0 | TCEQ | Yes | TCEQ | ||||||||||
CALVIN POWELL DAM | TX | H | Non-failure | 04/29/2024 | Hydrologic/flooding | Sliding | TX07162-3602 | slide on the downstream slope, 8 feet deep; seepage | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | unknown | Unknown | TCEQ inspected, SWCD lowered reservoir and monitored slide | P | RE | R | Y | 14 ft | 13 ac-ft | 0 acres | 0 | TX07162 | UN TR-GRAND SALINE CR | 32.6819 | -95.7145 | 0 | TCEQ | Yes | TCEQ | ||||||||
SPRING LAKE DAM | TX | H | Non-failure | 05/02/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX02958-3603 | spring rains caused erosion in the emergency spillways | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Unknown | 0 | 0 | 0 | unknown | Unknown | Owner alerted County EMC, contacted TCEQ, TCEQ inspection | owners repaired the erosion without required plans/spec review by TCEQ. | P | RE | R | Y | 24 ft | 575 ac-ft | 0 acres | 1965 | TX02958 | MCDONALD CREEK | 30.6724 | -95.5594 | 2011 | TCEQ | Yes | TCEQ | |||||||
BALDWIN DAM | TX | H | Non-failure | 05/02/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX07084-3604 | Spring rains caused erosion in the spillway and overtopped/failed a downstream road | Texas Severe Storms, Straight-line Winds, Tornadoes, and Flooding (DR-4781-TX) | Yes | Roads/Bridges | Unknown | Owner contacted local EMC when water was within 5-ft of the crest, residents downstream evacuated | Road immediately downstream of the dam washed out, TCEQ inspected; spillway is likely undersized; dam owner has not been able to find a PE to work with him. | P | RE | R | N | 20 ft | 56 ac-ft | 7 acres | 0 | TX07084 | PRAIRIE BRANCH | 30.6786 | -95.5375 | 0 | TCEQ | Yes | TCEQ | ||||||||||
CAMP BRANCH ACRES DAM | TX | H | Non-failure | 04/09/2024 | Hydrologic/flooding | Spillway Erosion/head Cutting | TX07192-3605 | rains eroded the emergency spillway draining the lake | Unknown | 0 | 0 | 0 | unknown | Unknown | owner contacted TCEQ that the spillway had failed and the reservoir was not holding water, TCEQ inspected | P | RE | R | N | 22 ft | 130 ac-ft | 4 acres | 1957 | TX07192 | UNNAMED TR-TRINITY RIVER | 30.8521 | -95.2061 | 2007 | TCEQ | Yes | TCEQ | |||||||||
LECHTENBERG LAMPMAN DAM | NE | L | Failure | 06/24/2023 | Hydrologic/flooding | Overtopping | Insufficient Spillway Capacity | NE01629-3606 | Heavy rain and flooding overwhelmed the dam's spillways. The dam owner said the dam stared overtopping at about 6:30 a.m. and it failed about 3 hours later. | No | 0 | 0 | 0 | 0 | Roads | $1 to $100,000 | 700 ac-ft | Impacts were principally limited to downstream pasture, damage to fence lines, and county roads. Downstream dam captured flow and released the flow through its auxiliary spillway without failing. | P | RE | I | NR | 35 ft | 559 ac-ft | 26 acres | 1977 | NE01629 | SPRING CREEK | 42.9075 | -98.7811 | 1993 | NE DNR | 9:30 AM | 3 hours | No | NE DNR |